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Finding the Fourth Proportional to 14,711.54, 22,054.89 and 6,385.28

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Solution

The fourth proportional to 14,711.54, 22,054.89 and 6,385.28 is: 9,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.54 : 22,054.89 = 6,385.28 : x
  2. Step 2: Convert to fraction form
    14,711.54/22,054.89 = 6,385.28/x
  3. Step 3: Cross multiply
    14,711.54x = 22,054.89 × 6,385.28
  4. Step 4: Simplify right side
    14,711.54x = 140,826,537.74
  5. Step 5: Solve for x
    x = 140,826,537.74/14,711.54
  6. Step 6: Final answer
    x = 9,572.53

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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.