Home / 15,375.40-23,063.30-4,281.82

Finding the Fourth Proportional to 15,375.40, 23,063.30 and 4,281.82

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Solution

The fourth proportional to 15,375.40, 23,063.30 and 4,281.82 is: 6,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.40 : 23,063.30 = 4,281.82 : x
  2. Step 2: Convert to fraction form
    15,375.40/23,063.30 = 4,281.82/x
  3. Step 3: Cross multiply
    15,375.40x = 23,063.30 × 4,281.82
  4. Step 4: Simplify right side
    15,375.40x = 98,752,899.21
  5. Step 5: Solve for x
    x = 98,752,899.21/15,375.40
  6. Step 6: Final answer
    x = 6,422.79

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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.