Home / 10,122.08-13,963.20-6,761.12

Finding the Fourth Proportional to 10,122.08, 13,963.20 and 6,761.12

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Solution

The fourth proportional to 10,122.08, 13,963.20 and 6,761.12 is: 9,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.08 : 13,963.20 = 6,761.12 : x
  2. Step 2: Convert to fraction form
    10,122.08/13,963.20 = 6,761.12/x
  3. Step 3: Cross multiply
    10,122.08x = 13,963.20 × 6,761.12
  4. Step 4: Simplify right side
    10,122.08x = 94,406,870.78
  5. Step 5: Solve for x
    x = 94,406,870.78/10,122.08
  6. Step 6: Final answer
    x = 9,326.83

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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.