Home / 16,621.18-22,934.40-9,906.68

Finding the Fourth Proportional to 16,621.18, 22,934.40 and 9,906.68

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Solution

The fourth proportional to 16,621.18, 22,934.40 and 9,906.68 is: 13,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.18 : 22,934.40 = 9,906.68 : x
  2. Step 2: Convert to fraction form
    16,621.18/22,934.40 = 9,906.68/x
  3. Step 3: Cross multiply
    16,621.18x = 22,934.40 × 9,906.68
  4. Step 4: Simplify right side
    16,621.18x = 227,203,761.79
  5. Step 5: Solve for x
    x = 227,203,761.79/16,621.18
  6. Step 6: Final answer
    x = 13,669.54

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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.