Home / 10,292.38-14,213.57-8,791.55

Finding the Fourth Proportional to 10,292.38, 14,213.57 and 8,791.55

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Solution

The fourth proportional to 10,292.38, 14,213.57 and 8,791.55 is: 12,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.38 : 14,213.57 = 8,791.55 : x
  2. Step 2: Convert to fraction form
    10,292.38/14,213.57 = 8,791.55/x
  3. Step 3: Cross multiply
    10,292.38x = 14,213.57 × 8,791.55
  4. Step 4: Simplify right side
    10,292.38x = 124,959,240.27
  5. Step 5: Solve for x
    x = 124,959,240.27/10,292.38
  6. Step 6: Final answer
    x = 12,140.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.