Home / 10,549.86-15,820.83-3,972.48

Finding the Fourth Proportional to 10,549.86, 15,820.83 and 3,972.48

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Solution

The fourth proportional to 10,549.86, 15,820.83 and 3,972.48 is: 5,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.86 : 15,820.83 = 3,972.48 : x
  2. Step 2: Convert to fraction form
    10,549.86/15,820.83 = 3,972.48/x
  3. Step 3: Cross multiply
    10,549.86x = 15,820.83 × 3,972.48
  4. Step 4: Simplify right side
    10,549.86x = 62,847,930.76
  5. Step 5: Solve for x
    x = 62,847,930.76/10,549.86
  6. Step 6: Final answer
    x = 5,957.23

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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.