Home / 11,660.40-17,490.60-4,265.04

Finding the Fourth Proportional to 11,660.40, 17,490.60 and 4,265.04

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Solution

The fourth proportional to 11,660.40, 17,490.60 and 4,265.04 is: 6,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.40 : 17,490.60 = 4,265.04 : x
  2. Step 2: Convert to fraction form
    11,660.40/17,490.60 = 4,265.04/x
  3. Step 3: Cross multiply
    11,660.40x = 17,490.60 × 4,265.04
  4. Step 4: Simplify right side
    11,660.40x = 74,598,108.62
  5. Step 5: Solve for x
    x = 74,598,108.62/11,660.40
  6. Step 6: Final answer
    x = 6,397.56

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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.