Home / 13,862.40-20,792.98-4,002.09

Finding the Fourth Proportional to 13,862.40, 20,792.98 and 4,002.09

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Solution

The fourth proportional to 13,862.40, 20,792.98 and 4,002.09 is: 6,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.40 : 20,792.98 = 4,002.09 : x
  2. Step 2: Convert to fraction form
    13,862.40/20,792.98 = 4,002.09/x
  3. Step 3: Cross multiply
    13,862.40x = 20,792.98 × 4,002.09
  4. Step 4: Simplify right side
    13,862.40x = 83,215,377.33
  5. Step 5: Solve for x
    x = 83,215,377.33/13,862.40
  6. Step 6: Final answer
    x = 6,002.96

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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.