Home / 11,654.64-17,489.85-5,077.02

Finding the Fourth Proportional to 11,654.64, 17,489.85 and 5,077.02

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Solution

The fourth proportional to 11,654.64, 17,489.85 and 5,077.02 is: 7,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.64 : 17,489.85 = 5,077.02 : x
  2. Step 2: Convert to fraction form
    11,654.64/17,489.85 = 5,077.02/x
  3. Step 3: Cross multiply
    11,654.64x = 17,489.85 × 5,077.02
  4. Step 4: Simplify right side
    11,654.64x = 88,796,318.25
  5. Step 5: Solve for x
    x = 88,796,318.25/11,654.64
  6. Step 6: Final answer
    x = 7,618.97

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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.