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Finding the Fourth Proportional to 9,704.80, 14,557.20 and 9,251.20

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Solution

The fourth proportional to 9,704.80, 14,557.20 and 9,251.20 is: 13,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.80 : 14,557.20 = 9,251.20 : x
  2. Step 2: Convert to fraction form
    9,704.80/14,557.20 = 9,251.20/x
  3. Step 3: Cross multiply
    9,704.80x = 14,557.20 × 9,251.20
  4. Step 4: Simplify right side
    9,704.80x = 134,671,568.64
  5. Step 5: Solve for x
    x = 134,671,568.64/9,704.80
  6. Step 6: Final answer
    x = 13,876.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.