Home / 16,028.20-22,119.24-8,954.08

Finding the Fourth Proportional to 16,028.20, 22,119.24 and 8,954.08

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Solution

The fourth proportional to 16,028.20, 22,119.24 and 8,954.08 is: 12,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,028.20 : 22,119.24 = 8,954.08 : x
  2. Step 2: Convert to fraction form
    16,028.20/22,119.24 = 8,954.08/x
  3. Step 3: Cross multiply
    16,028.20x = 22,119.24 × 8,954.08
  4. Step 4: Simplify right side
    16,028.20x = 198,057,444.50
  5. Step 5: Solve for x
    x = 198,057,444.50/16,028.20
  6. Step 6: Final answer
    x = 12,356.81

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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.