Home / 13,862.85-20,790.17-4,002.21

Finding the Fourth Proportional to 13,862.85, 20,790.17 and 4,002.21

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Solution

The fourth proportional to 13,862.85, 20,790.17 and 4,002.21 is: 6,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.85 : 20,790.17 = 4,002.21 : x
  2. Step 2: Convert to fraction form
    13,862.85/20,790.17 = 4,002.21/x
  3. Step 3: Cross multiply
    13,862.85x = 20,790.17 × 4,002.21
  4. Step 4: Simplify right side
    13,862.85x = 83,206,621.27
  5. Step 5: Solve for x
    x = 83,206,621.27/13,862.85
  6. Step 6: Final answer
    x = 6,002.13

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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.