Home / 12,577.92-17,357.17-6,912.66

Finding the Fourth Proportional to 12,577.92, 17,357.17 and 6,912.66

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Solution

The fourth proportional to 12,577.92, 17,357.17 and 6,912.66 is: 9,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.92 : 17,357.17 = 6,912.66 : x
  2. Step 2: Convert to fraction form
    12,577.92/17,357.17 = 6,912.66/x
  3. Step 3: Cross multiply
    12,577.92x = 17,357.17 × 6,912.66
  4. Step 4: Simplify right side
    12,577.92x = 119,984,275.54
  5. Step 5: Solve for x
    x = 119,984,275.54/12,577.92
  6. Step 6: Final answer
    x = 9,539.28

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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.