Home / 11,488.92-15,854.70-6,712.17

Finding the Fourth Proportional to 11,488.92, 15,854.70 and 6,712.17

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Solution

The fourth proportional to 11,488.92, 15,854.70 and 6,712.17 is: 9,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.92 : 15,854.70 = 6,712.17 : x
  2. Step 2: Convert to fraction form
    11,488.92/15,854.70 = 6,712.17/x
  3. Step 3: Cross multiply
    11,488.92x = 15,854.70 × 6,712.17
  4. Step 4: Simplify right side
    11,488.92x = 106,419,441.70
  5. Step 5: Solve for x
    x = 106,419,441.70/11,488.92
  6. Step 6: Final answer
    x = 9,262.79

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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.