Home / 10,862.16-16,282.14-4,279.29

Finding the Fourth Proportional to 10,862.16, 16,282.14 and 4,279.29

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Solution

The fourth proportional to 10,862.16, 16,282.14 and 4,279.29 is: 6,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.16 : 16,282.14 = 4,279.29 : x
  2. Step 2: Convert to fraction form
    10,862.16/16,282.14 = 4,279.29/x
  3. Step 3: Cross multiply
    10,862.16x = 16,282.14 × 4,279.29
  4. Step 4: Simplify right side
    10,862.16x = 69,675,998.88
  5. Step 5: Solve for x
    x = 69,675,998.88/10,862.16
  6. Step 6: Final answer
    x = 6,414.56

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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.