Home / 18,826.28-25,977.54-12,112.52

Finding the Fourth Proportional to 18,826.28, 25,977.54 and 12,112.52

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Solution

The fourth proportional to 18,826.28, 25,977.54 and 12,112.52 is: 16,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.28 : 25,977.54 = 12,112.52 : x
  2. Step 2: Convert to fraction form
    18,826.28/25,977.54 = 12,112.52/x
  3. Step 3: Cross multiply
    18,826.28x = 25,977.54 × 12,112.52
  4. Step 4: Simplify right side
    18,826.28x = 314,653,472.80
  5. Step 5: Solve for x
    x = 314,653,472.80/18,826.28
  6. Step 6: Final answer
    x = 16,713.52

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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.