Home / 13,810.28-20,712.52-4,451.14

Finding the Fourth Proportional to 13,810.28, 20,712.52 and 4,451.14

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Solution

The fourth proportional to 13,810.28, 20,712.52 and 4,451.14 is: 6,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.28 : 20,712.52 = 4,451.14 : x
  2. Step 2: Convert to fraction form
    13,810.28/20,712.52 = 4,451.14/x
  3. Step 3: Cross multiply
    13,810.28x = 20,712.52 × 4,451.14
  4. Step 4: Simplify right side
    13,810.28x = 92,194,326.27
  5. Step 5: Solve for x
    x = 92,194,326.27/13,810.28
  6. Step 6: Final answer
    x = 6,675.78

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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.