Home / 11,376.32-17,061.60-5,132.80

Finding the Fourth Proportional to 11,376.32, 17,061.60 and 5,132.80

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Solution

The fourth proportional to 11,376.32, 17,061.60 and 5,132.80 is: 7,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.32 : 17,061.60 = 5,132.80 : x
  2. Step 2: Convert to fraction form
    11,376.32/17,061.60 = 5,132.80/x
  3. Step 3: Cross multiply
    11,376.32x = 17,061.60 × 5,132.80
  4. Step 4: Simplify right side
    11,376.32x = 87,573,780.48
  5. Step 5: Solve for x
    x = 87,573,780.48/11,376.32
  6. Step 6: Final answer
    x = 7,697.90

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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.