Home / 13,480.13-20,224.11-5,581.19

Finding the Fourth Proportional to 13,480.13, 20,224.11 and 5,581.19

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Solution

The fourth proportional to 13,480.13, 20,224.11 and 5,581.19 is: 8,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.13 : 20,224.11 = 5,581.19 : x
  2. Step 2: Convert to fraction form
    13,480.13/20,224.11 = 5,581.19/x
  3. Step 3: Cross multiply
    13,480.13x = 20,224.11 × 5,581.19
  4. Step 4: Simplify right side
    13,480.13x = 112,874,600.49
  5. Step 5: Solve for x
    x = 112,874,600.49/13,480.13
  6. Step 6: Final answer
    x = 8,373.41

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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.