Home / 13,425.28-18,524.07-8,119.06

Finding the Fourth Proportional to 13,425.28, 18,524.07 and 8,119.06

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Solution

The fourth proportional to 13,425.28, 18,524.07 and 8,119.06 is: 11,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.28 : 18,524.07 = 8,119.06 : x
  2. Step 2: Convert to fraction form
    13,425.28/18,524.07 = 8,119.06/x
  3. Step 3: Cross multiply
    13,425.28x = 18,524.07 × 8,119.06
  4. Step 4: Simplify right side
    13,425.28x = 150,398,035.77
  5. Step 5: Solve for x
    x = 150,398,035.77/13,425.28
  6. Step 6: Final answer
    x = 11,202.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.