Home / 10,199.97-15,291.65-3,956.76

Finding the Fourth Proportional to 10,199.97, 15,291.65 and 3,956.76

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Solution

The fourth proportional to 10,199.97, 15,291.65 and 3,956.76 is: 5,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.97 : 15,291.65 = 3,956.76 : x
  2. Step 2: Convert to fraction form
    10,199.97/15,291.65 = 3,956.76/x
  3. Step 3: Cross multiply
    10,199.97x = 15,291.65 × 3,956.76
  4. Step 4: Simplify right side
    10,199.97x = 60,505,398.95
  5. Step 5: Solve for x
    x = 60,505,398.95/10,199.97
  6. Step 6: Final answer
    x = 5,931.92

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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.