Home / 10,367.61-15,553.46-2,972.10

Finding the Fourth Proportional to 10,367.61, 15,553.46 and 2,972.10

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Solution

The fourth proportional to 10,367.61, 15,553.46 and 2,972.10 is: 4,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.61 : 15,553.46 = 2,972.10 : x
  2. Step 2: Convert to fraction form
    10,367.61/15,553.46 = 2,972.10/x
  3. Step 3: Cross multiply
    10,367.61x = 15,553.46 × 2,972.10
  4. Step 4: Simplify right side
    10,367.61x = 46,226,438.47
  5. Step 5: Solve for x
    x = 46,226,438.47/10,367.61
  6. Step 6: Final answer
    x = 4,458.74

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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.