Home / 13,551.38-20,327.07-8,933.30

Finding the Fourth Proportional to 13,551.38, 20,327.07 and 8,933.30

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Solution

The fourth proportional to 13,551.38, 20,327.07 and 8,933.30 is: 13,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.38 : 20,327.07 = 8,933.30 : x
  2. Step 2: Convert to fraction form
    13,551.38/20,327.07 = 8,933.30/x
  3. Step 3: Cross multiply
    13,551.38x = 20,327.07 × 8,933.30
  4. Step 4: Simplify right side
    13,551.38x = 181,587,836.76
  5. Step 5: Solve for x
    x = 181,587,836.76/13,551.38
  6. Step 6: Final answer
    x = 13,399.95

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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.