Home / 18,000.22-24,840.20-10,042.42

Finding the Fourth Proportional to 18,000.22, 24,840.20 and 10,042.42

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Solution

The fourth proportional to 18,000.22, 24,840.20 and 10,042.42 is: 13,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.22 : 24,840.20 = 10,042.42 : x
  2. Step 2: Convert to fraction form
    18,000.22/24,840.20 = 10,042.42/x
  3. Step 3: Cross multiply
    18,000.22x = 24,840.20 × 10,042.42
  4. Step 4: Simplify right side
    18,000.22x = 249,455,721.28
  5. Step 5: Solve for x
    x = 249,455,721.28/18,000.22
  6. Step 6: Final answer
    x = 13,858.49

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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.