Home / 13,822.80-20,747.57-13,073.55

Finding the Fourth Proportional to 13,822.80, 20,747.57 and 13,073.55

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Solution

The fourth proportional to 13,822.80, 20,747.57 and 13,073.55 is: 19,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.80 : 20,747.57 = 13,073.55 : x
  2. Step 2: Convert to fraction form
    13,822.80/20,747.57 = 13,073.55/x
  3. Step 3: Cross multiply
    13,822.80x = 20,747.57 × 13,073.55
  4. Step 4: Simplify right side
    13,822.80x = 271,244,328.41
  5. Step 5: Solve for x
    x = 271,244,328.41/13,822.80
  6. Step 6: Final answer
    x = 19,622.97

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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.