Home / 16,029.45-22,121.28-8,954.46

Finding the Fourth Proportional to 16,029.45, 22,121.28 and 8,954.46

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Solution

The fourth proportional to 16,029.45, 22,121.28 and 8,954.46 is: 12,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.45 : 22,121.28 = 8,954.46 : x
  2. Step 2: Convert to fraction form
    16,029.45/22,121.28 = 8,954.46/x
  3. Step 3: Cross multiply
    16,029.45x = 22,121.28 × 8,954.46
  4. Step 4: Simplify right side
    16,029.45x = 198,084,116.91
  5. Step 5: Solve for x
    x = 198,084,116.91/16,029.45
  6. Step 6: Final answer
    x = 12,357.51

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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.