Home / 10,188.59-15,280.11-2,791.26

Finding the Fourth Proportional to 10,188.59, 15,280.11 and 2,791.26

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Solution

The fourth proportional to 10,188.59, 15,280.11 and 2,791.26 is: 4,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.59 : 15,280.11 = 2,791.26 : x
  2. Step 2: Convert to fraction form
    10,188.59/15,280.11 = 2,791.26/x
  3. Step 3: Cross multiply
    10,188.59x = 15,280.11 × 2,791.26
  4. Step 4: Simplify right side
    10,188.59x = 42,650,759.84
  5. Step 5: Solve for x
    x = 42,650,759.84/10,188.59
  6. Step 6: Final answer
    x = 4,186.13

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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.