Home / 10,956.98-16,421.36-9,545.69

Finding the Fourth Proportional to 10,956.98, 16,421.36 and 9,545.69

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Solution

The fourth proportional to 10,956.98, 16,421.36 and 9,545.69 is: 14,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.98 : 16,421.36 = 9,545.69 : x
  2. Step 2: Convert to fraction form
    10,956.98/16,421.36 = 9,545.69/x
  3. Step 3: Cross multiply
    10,956.98x = 16,421.36 × 9,545.69
  4. Step 4: Simplify right side
    10,956.98x = 156,753,082.10
  5. Step 5: Solve for x
    x = 156,753,082.10/10,956.98
  6. Step 6: Final answer
    x = 14,306.24

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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.