Home / 15,159.32-22,732.66-8,931.88

Finding the Fourth Proportional to 15,159.32, 22,732.66 and 8,931.88

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Solution

The fourth proportional to 15,159.32, 22,732.66 and 8,931.88 is: 13,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.32 : 22,732.66 = 8,931.88 : x
  2. Step 2: Convert to fraction form
    15,159.32/22,732.66 = 8,931.88/x
  3. Step 3: Cross multiply
    15,159.32x = 22,732.66 × 8,931.88
  4. Step 4: Simplify right side
    15,159.32x = 203,045,391.20
  5. Step 5: Solve for x
    x = 203,045,391.20/15,159.32
  6. Step 6: Final answer
    x = 13,394.10

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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.