Home / 16,251.54-22,428.44-12,921.84

Finding the Fourth Proportional to 16,251.54, 22,428.44 and 12,921.84

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Solution

The fourth proportional to 16,251.54, 22,428.44 and 12,921.84 is: 17,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.54 : 22,428.44 = 12,921.84 : x
  2. Step 2: Convert to fraction form
    16,251.54/22,428.44 = 12,921.84/x
  3. Step 3: Cross multiply
    16,251.54x = 22,428.44 × 12,921.84
  4. Step 4: Simplify right side
    16,251.54x = 289,816,713.13
  5. Step 5: Solve for x
    x = 289,816,713.13/16,251.54
  6. Step 6: Final answer
    x = 17,833.18

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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.