Home / 14,771.14-22,171.28-6,456.90

Finding the Fourth Proportional to 14,771.14, 22,171.28 and 6,456.90

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Solution

The fourth proportional to 14,771.14, 22,171.28 and 6,456.90 is: 9,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.14 : 22,171.28 = 6,456.90 : x
  2. Step 2: Convert to fraction form
    14,771.14/22,171.28 = 6,456.90/x
  3. Step 3: Cross multiply
    14,771.14x = 22,171.28 × 6,456.90
  4. Step 4: Simplify right side
    14,771.14x = 143,157,737.83
  5. Step 5: Solve for x
    x = 143,157,737.83/14,771.14
  6. Step 6: Final answer
    x = 9,691.72

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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.