Home / 10,567.71-15,835.92-4,320.18

Finding the Fourth Proportional to 10,567.71, 15,835.92 and 4,320.18

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Solution

The fourth proportional to 10,567.71, 15,835.92 and 4,320.18 is: 6,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.71 : 15,835.92 = 4,320.18 : x
  2. Step 2: Convert to fraction form
    10,567.71/15,835.92 = 4,320.18/x
  3. Step 3: Cross multiply
    10,567.71x = 15,835.92 × 4,320.18
  4. Step 4: Simplify right side
    10,567.71x = 68,414,024.87
  5. Step 5: Solve for x
    x = 68,414,024.87/10,567.71
  6. Step 6: Final answer
    x = 6,473.87

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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.