Home / 13,418.24-20,127.36-8,800.16

Finding the Fourth Proportional to 13,418.24, 20,127.36 and 8,800.16

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Solution

The fourth proportional to 13,418.24, 20,127.36 and 8,800.16 is: 13,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.24 : 20,127.36 = 8,800.16 : x
  2. Step 2: Convert to fraction form
    13,418.24/20,127.36 = 8,800.16/x
  3. Step 3: Cross multiply
    13,418.24x = 20,127.36 × 8,800.16
  4. Step 4: Simplify right side
    13,418.24x = 177,123,988.38
  5. Step 5: Solve for x
    x = 177,123,988.38/13,418.24
  6. Step 6: Final answer
    x = 13,200.24

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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.