Home / 11,462.28-15,816.82-6,490.76

Finding the Fourth Proportional to 11,462.28, 15,816.82 and 6,490.76

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Solution

The fourth proportional to 11,462.28, 15,816.82 and 6,490.76 is: 8,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.28 : 15,816.82 = 6,490.76 : x
  2. Step 2: Convert to fraction form
    11,462.28/15,816.82 = 6,490.76/x
  3. Step 3: Cross multiply
    11,462.28x = 15,816.82 × 6,490.76
  4. Step 4: Simplify right side
    11,462.28x = 102,663,182.58
  5. Step 5: Solve for x
    x = 102,663,182.58/11,462.28
  6. Step 6: Final answer
    x = 8,956.61

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Half scale
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Double scale
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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.