Home / 10,199.10-15,291.45-3,956.70

Finding the Fourth Proportional to 10,199.10, 15,291.45 and 3,956.70

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Solution

The fourth proportional to 10,199.10, 15,291.45 and 3,956.70 is: 5,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.10 : 15,291.45 = 3,956.70 : x
  2. Step 2: Convert to fraction form
    10,199.10/15,291.45 = 3,956.70/x
  3. Step 3: Cross multiply
    10,199.10x = 15,291.45 × 3,956.70
  4. Step 4: Simplify right side
    10,199.10x = 60,503,680.22
  5. Step 5: Solve for x
    x = 60,503,680.22/10,199.10
  6. Step 6: Final answer
    x = 5,932.26

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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.