Home / 18,734.73-28,065.02-9,836.72

Finding the Fourth Proportional to 18,734.73, 28,065.02 and 9,836.72

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Solution

The fourth proportional to 18,734.73, 28,065.02 and 9,836.72 is: 14,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.73 : 28,065.02 = 9,836.72 : x
  2. Step 2: Convert to fraction form
    18,734.73/28,065.02 = 9,836.72/x
  3. Step 3: Cross multiply
    18,734.73x = 28,065.02 × 9,836.72
  4. Step 4: Simplify right side
    18,734.73x = 276,067,621.84
  5. Step 5: Solve for x
    x = 276,067,621.84/18,734.73
  6. Step 6: Final answer
    x = 14,735.61

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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.