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Finding the Fourth Proportional to 9,463.80, 14,195.70 and 8,542.20

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Solution

The fourth proportional to 9,463.80, 14,195.70 and 8,542.20 is: 12,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,463.80 : 14,195.70 = 8,542.20 : x
  2. Step 2: Convert to fraction form
    9,463.80/14,195.70 = 8,542.20/x
  3. Step 3: Cross multiply
    9,463.80x = 14,195.70 × 8,542.20
  4. Step 4: Simplify right side
    9,463.80x = 121,262,508.54
  5. Step 5: Solve for x
    x = 121,262,508.54/9,463.80
  6. Step 6: Final answer
    x = 12,813.30

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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.