Home / 11,115.17-15,338.96-6,079.42

Finding the Fourth Proportional to 11,115.17, 15,338.96 and 6,079.42

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Solution

The fourth proportional to 11,115.17, 15,338.96 and 6,079.42 is: 8,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.17 : 15,338.96 = 6,079.42 : x
  2. Step 2: Convert to fraction form
    11,115.17/15,338.96 = 6,079.42/x
  3. Step 3: Cross multiply
    11,115.17x = 15,338.96 × 6,079.42
  4. Step 4: Simplify right side
    11,115.17x = 93,251,980.20
  5. Step 5: Solve for x
    x = 93,251,980.20/11,115.17
  6. Step 6: Final answer
    x = 8,389.61

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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.