Home / 12,471.54-17,209.50-6,882.18

Finding the Fourth Proportional to 12,471.54, 17,209.50 and 6,882.18

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Solution

The fourth proportional to 12,471.54, 17,209.50 and 6,882.18 is: 9,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.54 : 17,209.50 = 6,882.18 : x
  2. Step 2: Convert to fraction form
    12,471.54/17,209.50 = 6,882.18/x
  3. Step 3: Cross multiply
    12,471.54x = 17,209.50 × 6,882.18
  4. Step 4: Simplify right side
    12,471.54x = 118,438,876.71
  5. Step 5: Solve for x
    x = 118,438,876.71/12,471.54
  6. Step 6: Final answer
    x = 9,496.73

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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.