Home / 13,372.17-20,050.76-5,480.18

Finding the Fourth Proportional to 13,372.17, 20,050.76 and 5,480.18

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Solution

The fourth proportional to 13,372.17, 20,050.76 and 5,480.18 is: 8,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.17 : 20,050.76 = 5,480.18 : x
  2. Step 2: Convert to fraction form
    13,372.17/20,050.76 = 5,480.18/x
  3. Step 3: Cross multiply
    13,372.17x = 20,050.76 × 5,480.18
  4. Step 4: Simplify right side
    13,372.17x = 109,881,646.28
  5. Step 5: Solve for x
    x = 109,881,646.28/13,372.17
  6. Step 6: Final answer
    x = 8,217.19

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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.