Home / 12,732.20-17,572.37-7,281.17

Finding the Fourth Proportional to 12,732.20, 17,572.37 and 7,281.17

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Solution

The fourth proportional to 12,732.20, 17,572.37 and 7,281.17 is: 10,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.20 : 17,572.37 = 7,281.17 : x
  2. Step 2: Convert to fraction form
    12,732.20/17,572.37 = 7,281.17/x
  3. Step 3: Cross multiply
    12,732.20x = 17,572.37 × 7,281.17
  4. Step 4: Simplify right side
    12,732.20x = 127,947,289.01
  5. Step 5: Solve for x
    x = 127,947,289.01/12,732.20
  6. Step 6: Final answer
    x = 10,049.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.