Home / 10,367.85-15,551.78-2,972.55

Finding the Fourth Proportional to 10,367.85, 15,551.78 and 2,972.55

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Solution

The fourth proportional to 10,367.85, 15,551.78 and 2,972.55 is: 4,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.85 : 15,551.78 = 2,972.55 : x
  2. Step 2: Convert to fraction form
    10,367.85/15,551.78 = 2,972.55/x
  3. Step 3: Cross multiply
    10,367.85x = 15,551.78 × 2,972.55
  4. Step 4: Simplify right side
    10,367.85x = 46,228,428.78
  5. Step 5: Solve for x
    x = 46,228,428.78/10,367.85
  6. Step 6: Final answer
    x = 4,458.83

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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.