Home / 18,161.80-27,226.28-6,472.28

Finding the Fourth Proportional to 18,161.80, 27,226.28 and 6,472.28

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Solution

The fourth proportional to 18,161.80, 27,226.28 and 6,472.28 is: 9,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.80 : 27,226.28 = 6,472.28 : x
  2. Step 2: Convert to fraction form
    18,161.80/27,226.28 = 6,472.28/x
  3. Step 3: Cross multiply
    18,161.80x = 27,226.28 × 6,472.28
  4. Step 4: Simplify right side
    18,161.80x = 176,216,107.52
  5. Step 5: Solve for x
    x = 176,216,107.52/18,161.80
  6. Step 6: Final answer
    x = 9,702.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.