Home / 18,472.18-27,702.46-12,146.73

Finding the Fourth Proportional to 18,472.18, 27,702.46 and 12,146.73

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Solution

The fourth proportional to 18,472.18, 27,702.46 and 12,146.73 is: 18,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.18 : 27,702.46 = 12,146.73 : x
  2. Step 2: Convert to fraction form
    18,472.18/27,702.46 = 12,146.73/x
  3. Step 3: Cross multiply
    18,472.18x = 27,702.46 × 12,146.73
  4. Step 4: Simplify right side
    18,472.18x = 336,494,378.67
  5. Step 5: Solve for x
    x = 336,494,378.67/18,472.18
  6. Step 6: Final answer
    x = 18,216.28

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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.