Home / 18,220.38-25,141.35-10,262.10

Finding the Fourth Proportional to 18,220.38, 25,141.35 and 10,262.10

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Solution

The fourth proportional to 18,220.38, 25,141.35 and 10,262.10 is: 14,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.38 : 25,141.35 = 10,262.10 : x
  2. Step 2: Convert to fraction form
    18,220.38/25,141.35 = 10,262.10/x
  3. Step 3: Cross multiply
    18,220.38x = 25,141.35 × 10,262.10
  4. Step 4: Simplify right side
    18,220.38x = 258,003,047.84
  5. Step 5: Solve for x
    x = 258,003,047.84/18,220.38
  6. Step 6: Final answer
    x = 14,160.14

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Half scale
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Double scale
Find fourth proportional to 18,221.38, 25,142.73 and 10,263.10
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.