Home / 14,866.21-20,517.45-9,202.76

Finding the Fourth Proportional to 14,866.21, 20,517.45 and 9,202.76

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Solution

The fourth proportional to 14,866.21, 20,517.45 and 9,202.76 is: 12,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.21 : 20,517.45 = 9,202.76 : x
  2. Step 2: Convert to fraction form
    14,866.21/20,517.45 = 9,202.76/x
  3. Step 3: Cross multiply
    14,866.21x = 20,517.45 × 9,202.76
  4. Step 4: Simplify right side
    14,866.21x = 188,817,168.16
  5. Step 5: Solve for x
    x = 188,817,168.16/14,866.21
  6. Step 6: Final answer
    x = 12,701.10

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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.