Home / 10,486.13-15,729.21-2,694.96

Finding the Fourth Proportional to 10,486.13, 15,729.21 and 2,694.96

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Solution

The fourth proportional to 10,486.13, 15,729.21 and 2,694.96 is: 4,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.13 : 15,729.21 = 2,694.96 : x
  2. Step 2: Convert to fraction form
    10,486.13/15,729.21 = 2,694.96/x
  3. Step 3: Cross multiply
    10,486.13x = 15,729.21 × 2,694.96
  4. Step 4: Simplify right side
    10,486.13x = 42,389,591.78
  5. Step 5: Solve for x
    x = 42,389,591.78/10,486.13
  6. Step 6: Final answer
    x = 4,042.45

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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.