Home / 10,306.06-14,221.11-7,163.26

Finding the Fourth Proportional to 10,306.06, 14,221.11 and 7,163.26

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Solution

The fourth proportional to 10,306.06, 14,221.11 and 7,163.26 is: 9,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.06 : 14,221.11 = 7,163.26 : x
  2. Step 2: Convert to fraction form
    10,306.06/14,221.11 = 7,163.26/x
  3. Step 3: Cross multiply
    10,306.06x = 14,221.11 × 7,163.26
  4. Step 4: Simplify right side
    10,306.06x = 101,869,508.42
  5. Step 5: Solve for x
    x = 101,869,508.42/10,306.06
  6. Step 6: Final answer
    x = 9,884.43

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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.