Home / 16,464.39-22,720.88-8,910.73

Finding the Fourth Proportional to 16,464.39, 22,720.88 and 8,910.73

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Solution

The fourth proportional to 16,464.39, 22,720.88 and 8,910.73 is: 12,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.39 : 22,720.88 = 8,910.73 : x
  2. Step 2: Convert to fraction form
    16,464.39/22,720.88 = 8,910.73/x
  3. Step 3: Cross multiply
    16,464.39x = 22,720.88 × 8,910.73
  4. Step 4: Simplify right side
    16,464.39x = 202,459,627.04
  5. Step 5: Solve for x
    x = 202,459,627.04/16,464.39
  6. Step 6: Final answer
    x = 12,296.82

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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.