Home / 13,854.53-20,781.80-3,466.28

Finding the Fourth Proportional to 13,854.53, 20,781.80 and 3,466.28

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Solution

The fourth proportional to 13,854.53, 20,781.80 and 3,466.28 is: 5,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.53 : 20,781.80 = 3,466.28 : x
  2. Step 2: Convert to fraction form
    13,854.53/20,781.80 = 3,466.28/x
  3. Step 3: Cross multiply
    13,854.53x = 20,781.80 × 3,466.28
  4. Step 4: Simplify right side
    13,854.53x = 72,035,537.70
  5. Step 5: Solve for x
    x = 72,035,537.70/13,854.53
  6. Step 6: Final answer
    x = 5,199.42

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Similar ratio
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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.