Home / 15,439.60-23,115.61-10,158.71

Finding the Fourth Proportional to 15,439.60, 23,115.61 and 10,158.71

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Solution

The fourth proportional to 15,439.60, 23,115.61 and 10,158.71 is: 15,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.60 : 23,115.61 = 10,158.71 : x
  2. Step 2: Convert to fraction form
    15,439.60/23,115.61 = 10,158.71/x
  3. Step 3: Cross multiply
    15,439.60x = 23,115.61 × 10,158.71
  4. Step 4: Simplify right side
    15,439.60x = 234,824,655.86
  5. Step 5: Solve for x
    x = 234,824,655.86/15,439.60
  6. Step 6: Final answer
    x = 15,209.25

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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.