Home / 18,787.65-28,182.63-6,306.66

Finding the Fourth Proportional to 18,787.65, 28,182.63 and 6,306.66

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Solution

The fourth proportional to 18,787.65, 28,182.63 and 6,306.66 is: 9,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.65 : 28,182.63 = 6,306.66 : x
  2. Step 2: Convert to fraction form
    18,787.65/28,182.63 = 6,306.66/x
  3. Step 3: Cross multiply
    18,787.65x = 28,182.63 × 6,306.66
  4. Step 4: Simplify right side
    18,787.65x = 177,738,288.97
  5. Step 5: Solve for x
    x = 177,738,288.97/18,787.65
  6. Step 6: Final answer
    x = 9,460.38

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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.