Home / 12,160.31-18,207.57-6,304.61

Finding the Fourth Proportional to 12,160.31, 18,207.57 and 6,304.61

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Solution

The fourth proportional to 12,160.31, 18,207.57 and 6,304.61 is: 9,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.31 : 18,207.57 = 6,304.61 : x
  2. Step 2: Convert to fraction form
    12,160.31/18,207.57 = 6,304.61/x
  3. Step 3: Cross multiply
    12,160.31x = 18,207.57 × 6,304.61
  4. Step 4: Simplify right side
    12,160.31x = 114,791,596.37
  5. Step 5: Solve for x
    x = 114,791,596.37/12,160.31
  6. Step 6: Final answer
    x = 9,439.86

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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.