Home / 14,165.60-21,248.40-11,213.15

Finding the Fourth Proportional to 14,165.60, 21,248.40 and 11,213.15

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Solution

The fourth proportional to 14,165.60, 21,248.40 and 11,213.15 is: 16,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.60 : 21,248.40 = 11,213.15 : x
  2. Step 2: Convert to fraction form
    14,165.60/21,248.40 = 11,213.15/x
  3. Step 3: Cross multiply
    14,165.60x = 21,248.40 × 11,213.15
  4. Step 4: Simplify right side
    14,165.60x = 238,261,496.46
  5. Step 5: Solve for x
    x = 238,261,496.46/14,165.60
  6. Step 6: Final answer
    x = 16,819.73

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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.