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Finding the Fourth Proportional to 9,671.20, 14,506.80 and 8,577.70

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Solution

The fourth proportional to 9,671.20, 14,506.80 and 8,577.70 is: 12,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.20 : 14,506.80 = 8,577.70 : x
  2. Step 2: Convert to fraction form
    9,671.20/14,506.80 = 8,577.70/x
  3. Step 3: Cross multiply
    9,671.20x = 14,506.80 × 8,577.70
  4. Step 4: Simplify right side
    9,671.20x = 124,434,978.36
  5. Step 5: Solve for x
    x = 124,434,978.36/9,671.20
  6. Step 6: Final answer
    x = 12,866.55

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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.