Home / 15,505.29-23,220.95-8,474.76

Finding the Fourth Proportional to 15,505.29, 23,220.95 and 8,474.76

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Solution

The fourth proportional to 15,505.29, 23,220.95 and 8,474.76 is: 12,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.29 : 23,220.95 = 8,474.76 : x
  2. Step 2: Convert to fraction form
    15,505.29/23,220.95 = 8,474.76/x
  3. Step 3: Cross multiply
    15,505.29x = 23,220.95 × 8,474.76
  4. Step 4: Simplify right side
    15,505.29x = 196,791,935.85
  5. Step 5: Solve for x
    x = 196,791,935.85/15,505.29
  6. Step 6: Final answer
    x = 12,691.92

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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.