Home / 11,539.76-17,337.44-7,387.88

Finding the Fourth Proportional to 11,539.76, 17,337.44 and 7,387.88

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Solution

The fourth proportional to 11,539.76, 17,337.44 and 7,387.88 is: 11,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.76 : 17,337.44 = 7,387.88 : x
  2. Step 2: Convert to fraction form
    11,539.76/17,337.44 = 7,387.88/x
  3. Step 3: Cross multiply
    11,539.76x = 17,337.44 × 7,387.88
  4. Step 4: Simplify right side
    11,539.76x = 128,086,926.23
  5. Step 5: Solve for x
    x = 128,086,926.23/11,539.76
  6. Step 6: Final answer
    x = 11,099.62

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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.