Home / 15,560.27-23,306.11-12,861.21

Finding the Fourth Proportional to 15,560.27, 23,306.11 and 12,861.21

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Solution

The fourth proportional to 15,560.27, 23,306.11 and 12,861.21 is: 19,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.27 : 23,306.11 = 12,861.21 : x
  2. Step 2: Convert to fraction form
    15,560.27/23,306.11 = 12,861.21/x
  3. Step 3: Cross multiply
    15,560.27x = 23,306.11 × 12,861.21
  4. Step 4: Simplify right side
    15,560.27x = 299,744,902.58
  5. Step 5: Solve for x
    x = 299,744,902.58/15,560.27
  6. Step 6: Final answer
    x = 19,263.48

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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.