Home / 15,115.26-22,649.82-6,345.42

Finding the Fourth Proportional to 15,115.26, 22,649.82 and 6,345.42

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Solution

The fourth proportional to 15,115.26, 22,649.82 and 6,345.42 is: 9,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.26 : 22,649.82 = 6,345.42 : x
  2. Step 2: Convert to fraction form
    15,115.26/22,649.82 = 6,345.42/x
  3. Step 3: Cross multiply
    15,115.26x = 22,649.82 × 6,345.42
  4. Step 4: Simplify right side
    15,115.26x = 143,722,620.82
  5. Step 5: Solve for x
    x = 143,722,620.82/15,115.26
  6. Step 6: Final answer
    x = 9,508.45

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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.