Home / 18,982.11-28,473.94-6,510.70

Finding the Fourth Proportional to 18,982.11, 28,473.94 and 6,510.70

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Solution

The fourth proportional to 18,982.11, 28,473.94 and 6,510.70 is: 9,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.11 : 28,473.94 = 6,510.70 : x
  2. Step 2: Convert to fraction form
    18,982.11/28,473.94 = 6,510.70/x
  3. Step 3: Cross multiply
    18,982.11x = 28,473.94 × 6,510.70
  4. Step 4: Simplify right side
    18,982.11x = 185,385,386.66
  5. Step 5: Solve for x
    x = 185,385,386.66/18,982.11
  6. Step 6: Final answer
    x = 9,766.32

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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.