Home / 10,281.88-15,422.82-2,490.68

Finding the Fourth Proportional to 10,281.88, 15,422.82 and 2,490.68

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Solution

The fourth proportional to 10,281.88, 15,422.82 and 2,490.68 is: 3,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.88 : 15,422.82 = 2,490.68 : x
  2. Step 2: Convert to fraction form
    10,281.88/15,422.82 = 2,490.68/x
  3. Step 3: Cross multiply
    10,281.88x = 15,422.82 × 2,490.68
  4. Step 4: Simplify right side
    10,281.88x = 38,413,309.32
  5. Step 5: Solve for x
    x = 38,413,309.32/10,281.88
  6. Step 6: Final answer
    x = 3,736.02

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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.