Home / 10,162.32-15,239.16-3,589.44

Finding the Fourth Proportional to 10,162.32, 15,239.16 and 3,589.44

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Solution

The fourth proportional to 10,162.32, 15,239.16 and 3,589.44 is: 5,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.32 : 15,239.16 = 3,589.44 : x
  2. Step 2: Convert to fraction form
    10,162.32/15,239.16 = 3,589.44/x
  3. Step 3: Cross multiply
    10,162.32x = 15,239.16 × 3,589.44
  4. Step 4: Simplify right side
    10,162.32x = 54,700,050.47
  5. Step 5: Solve for x
    x = 54,700,050.47/10,162.32
  6. Step 6: Final answer
    x = 5,382.63

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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.