Home / 16,660.52-22,991.54-9,586.80

Finding the Fourth Proportional to 16,660.52, 22,991.54 and 9,586.80

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Solution

The fourth proportional to 16,660.52, 22,991.54 and 9,586.80 is: 13,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.52 : 22,991.54 = 9,586.80 : x
  2. Step 2: Convert to fraction form
    16,660.52/22,991.54 = 9,586.80/x
  3. Step 3: Cross multiply
    16,660.52x = 22,991.54 × 9,586.80
  4. Step 4: Simplify right side
    16,660.52x = 220,415,295.67
  5. Step 5: Solve for x
    x = 220,415,295.67/16,660.52
  6. Step 6: Final answer
    x = 13,229.80

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Half scale
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Double scale
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Similar ratio
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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.