Home / 13,580.01-20,363.27-5,680.13

Finding the Fourth Proportional to 13,580.01, 20,363.27 and 5,680.13

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Solution

The fourth proportional to 13,580.01, 20,363.27 and 5,680.13 is: 8,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.01 : 20,363.27 = 5,680.13 : x
  2. Step 2: Convert to fraction form
    13,580.01/20,363.27 = 5,680.13/x
  3. Step 3: Cross multiply
    13,580.01x = 20,363.27 × 5,680.13
  4. Step 4: Simplify right side
    13,580.01x = 115,665,890.61
  5. Step 5: Solve for x
    x = 115,665,890.61/13,580.01
  6. Step 6: Final answer
    x = 8,517.36

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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.