Home / 9,519.03-13,134.69-5,979.75

Finding the Fourth Proportional to 9,519.03, 13,134.69 and 5,979.75

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Solution

The fourth proportional to 9,519.03, 13,134.69 and 5,979.75 is: 8,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.03 : 13,134.69 = 5,979.75 : x
  2. Step 2: Convert to fraction form
    9,519.03/13,134.69 = 5,979.75/x
  3. Step 3: Cross multiply
    9,519.03x = 13,134.69 × 5,979.75
  4. Step 4: Simplify right side
    9,519.03x = 78,542,162.53
  5. Step 5: Solve for x
    x = 78,542,162.53/9,519.03
  6. Step 6: Final answer
    x = 8,251.07

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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.