Home / 10,759.80-16,138.42-2,862.90

Finding the Fourth Proportional to 10,759.80, 16,138.42 and 2,862.90

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Solution

The fourth proportional to 10,759.80, 16,138.42 and 2,862.90 is: 4,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.80 : 16,138.42 = 2,862.90 : x
  2. Step 2: Convert to fraction form
    10,759.80/16,138.42 = 2,862.90/x
  3. Step 3: Cross multiply
    10,759.80x = 16,138.42 × 2,862.90
  4. Step 4: Simplify right side
    10,759.80x = 46,202,675.46
  5. Step 5: Solve for x
    x = 46,202,675.46/10,759.80
  6. Step 6: Final answer
    x = 4,294.01

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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.