Home / 10,871.42-16,279.22-7,534.91

Finding the Fourth Proportional to 10,871.42, 16,279.22 and 7,534.91

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Solution

The fourth proportional to 10,871.42, 16,279.22 and 7,534.91 is: 11,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.42 : 16,279.22 = 7,534.91 : x
  2. Step 2: Convert to fraction form
    10,871.42/16,279.22 = 7,534.91/x
  3. Step 3: Cross multiply
    10,871.42x = 16,279.22 × 7,534.91
  4. Step 4: Simplify right side
    10,871.42x = 122,662,517.11
  5. Step 5: Solve for x
    x = 122,662,517.11/10,871.42
  6. Step 6: Final answer
    x = 11,283.03

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1.5x scale

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.