Home / 10,517.46-15,765.21-4,281.81

Finding the Fourth Proportional to 10,517.46, 15,765.21 and 4,281.81

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Solution

The fourth proportional to 10,517.46, 15,765.21 and 4,281.81 is: 6,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.46 : 15,765.21 = 4,281.81 : x
  2. Step 2: Convert to fraction form
    10,517.46/15,765.21 = 4,281.81/x
  3. Step 3: Cross multiply
    10,517.46x = 15,765.21 × 4,281.81
  4. Step 4: Simplify right side
    10,517.46x = 67,503,633.83
  5. Step 5: Solve for x
    x = 67,503,633.83/10,517.46
  6. Step 6: Final answer
    x = 6,418.24

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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.