Home / 10,527.43-15,788.40-3,129.91

Finding the Fourth Proportional to 10,527.43, 15,788.40 and 3,129.91

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Solution

The fourth proportional to 10,527.43, 15,788.40 and 3,129.91 is: 4,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.43 : 15,788.40 = 3,129.91 : x
  2. Step 2: Convert to fraction form
    10,527.43/15,788.40 = 3,129.91/x
  3. Step 3: Cross multiply
    10,527.43x = 15,788.40 × 3,129.91
  4. Step 4: Simplify right side
    10,527.43x = 49,416,192.10
  5. Step 5: Solve for x
    x = 49,416,192.10/10,527.43
  6. Step 6: Final answer
    x = 4,694.04

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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.