Home / 9,519.17-13,134.89-5,979.88

Finding the Fourth Proportional to 9,519.17, 13,134.89 and 5,979.88

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Solution

The fourth proportional to 9,519.17, 13,134.89 and 5,979.88 is: 8,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.17 : 13,134.89 = 5,979.88 : x
  2. Step 2: Convert to fraction form
    9,519.17/13,134.89 = 5,979.88/x
  3. Step 3: Cross multiply
    9,519.17x = 13,134.89 × 5,979.88
  4. Step 4: Simplify right side
    9,519.17x = 78,545,000.34
  5. Step 5: Solve for x
    x = 78,545,000.34/9,519.17
  6. Step 6: Final answer
    x = 8,251.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.