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Finding the Fourth Proportional to 18,000.38, 24,840.45 and 10,042.13

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Solution

The fourth proportional to 18,000.38, 24,840.45 and 10,042.13 is: 13,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.38 : 24,840.45 = 10,042.13 : x
  2. Step 2: Convert to fraction form
    18,000.38/24,840.45 = 10,042.13/x
  3. Step 3: Cross multiply
    18,000.38x = 24,840.45 × 10,042.13
  4. Step 4: Simplify right side
    18,000.38x = 249,450,903.96
  5. Step 5: Solve for x
    x = 249,450,903.96/18,000.38
  6. Step 6: Final answer
    x = 13,858.09

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Half scale
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Double scale
Find fourth proportional to 18,001.38, 24,841.83 and 10,043.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.