Home / 16,064.10-22,168.92-8,990.76

Finding the Fourth Proportional to 16,064.10, 22,168.92 and 8,990.76

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Solution

The fourth proportional to 16,064.10, 22,168.92 and 8,990.76 is: 12,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,064.10 : 22,168.92 = 8,990.76 : x
  2. Step 2: Convert to fraction form
    16,064.10/22,168.92 = 8,990.76/x
  3. Step 3: Cross multiply
    16,064.10x = 22,168.92 × 8,990.76
  4. Step 4: Simplify right side
    16,064.10x = 199,315,439.18
  5. Step 5: Solve for x
    x = 199,315,439.18/16,064.10
  6. Step 6: Final answer
    x = 12,407.51

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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.