Home / 14,867.56-20,517.15-8,153.20

Finding the Fourth Proportional to 14,867.56, 20,517.15 and 8,153.20

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Solution

The fourth proportional to 14,867.56, 20,517.15 and 8,153.20 is: 11,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.56 : 20,517.15 = 8,153.20 : x
  2. Step 2: Convert to fraction form
    14,867.56/20,517.15 = 8,153.20/x
  3. Step 3: Cross multiply
    14,867.56x = 20,517.15 × 8,153.20
  4. Step 4: Simplify right side
    14,867.56x = 167,280,427.38
  5. Step 5: Solve for x
    x = 167,280,427.38/14,867.56
  6. Step 6: Final answer
    x = 11,251.37

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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.