Home / 15,730.20-23,575.86-7,934.76

Finding the Fourth Proportional to 15,730.20, 23,575.86 and 7,934.76

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Solution

The fourth proportional to 15,730.20, 23,575.86 and 7,934.76 is: 11,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.20 : 23,575.86 = 7,934.76 : x
  2. Step 2: Convert to fraction form
    15,730.20/23,575.86 = 7,934.76/x
  3. Step 3: Cross multiply
    15,730.20x = 23,575.86 × 7,934.76
  4. Step 4: Simplify right side
    15,730.20x = 187,068,790.89
  5. Step 5: Solve for x
    x = 187,068,790.89/15,730.20
  6. Step 6: Final answer
    x = 11,892.33

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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.