Home / 14,248.40-21,372.60-8,999.60

Finding the Fourth Proportional to 14,248.40, 21,372.60 and 8,999.60

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Solution

The fourth proportional to 14,248.40, 21,372.60 and 8,999.60 is: 13,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.40 : 21,372.60 = 8,999.60 : x
  2. Step 2: Convert to fraction form
    14,248.40/21,372.60 = 8,999.60/x
  3. Step 3: Cross multiply
    14,248.40x = 21,372.60 × 8,999.60
  4. Step 4: Simplify right side
    14,248.40x = 192,344,850.96
  5. Step 5: Solve for x
    x = 192,344,850.96/14,248.40
  6. Step 6: Final answer
    x = 13,499.40

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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.