Home / 15,432.59-23,139.97-13,587.41

Finding the Fourth Proportional to 15,432.59, 23,139.97 and 13,587.41

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Solution

The fourth proportional to 15,432.59, 23,139.97 and 13,587.41 is: 20,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.59 : 23,139.97 = 13,587.41 : x
  2. Step 2: Convert to fraction form
    15,432.59/23,139.97 = 13,587.41/x
  3. Step 3: Cross multiply
    15,432.59x = 23,139.97 × 13,587.41
  4. Step 4: Simplify right side
    15,432.59x = 314,412,259.78
  5. Step 5: Solve for x
    x = 314,412,259.78/15,432.59
  6. Step 6: Final answer
    x = 20,373.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.