Home / 16,029.72-22,119.11-8,859.20

Finding the Fourth Proportional to 16,029.72, 22,119.11 and 8,859.20

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Solution

The fourth proportional to 16,029.72, 22,119.11 and 8,859.20 is: 12,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.72 : 22,119.11 = 8,859.20 : x
  2. Step 2: Convert to fraction form
    16,029.72/22,119.11 = 8,859.20/x
  3. Step 3: Cross multiply
    16,029.72x = 22,119.11 × 8,859.20
  4. Step 4: Simplify right side
    16,029.72x = 195,957,464.42
  5. Step 5: Solve for x
    x = 195,957,464.42/16,029.72
  6. Step 6: Final answer
    x = 12,224.63

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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.