Home / 10,540.04-15,818.22-3,972.20

Finding the Fourth Proportional to 10,540.04, 15,818.22 and 3,972.20

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Solution

The fourth proportional to 10,540.04, 15,818.22 and 3,972.20 is: 5,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.04 : 15,818.22 = 3,972.20 : x
  2. Step 2: Convert to fraction form
    10,540.04/15,818.22 = 3,972.20/x
  3. Step 3: Cross multiply
    10,540.04x = 15,818.22 × 3,972.20
  4. Step 4: Simplify right side
    10,540.04x = 62,833,133.48
  5. Step 5: Solve for x
    x = 62,833,133.48/10,540.04
  6. Step 6: Final answer
    x = 5,961.38

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1.5x scale

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.