Home / 18,734.98-28,084.19-7,486.96

Finding the Fourth Proportional to 18,734.98, 28,084.19 and 7,486.96

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Solution

The fourth proportional to 18,734.98, 28,084.19 and 7,486.96 is: 11,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.98 : 28,084.19 = 7,486.96 : x
  2. Step 2: Convert to fraction form
    18,734.98/28,084.19 = 7,486.96/x
  3. Step 3: Cross multiply
    18,734.98x = 28,084.19 × 7,486.96
  4. Step 4: Simplify right side
    18,734.98x = 210,265,207.16
  5. Step 5: Solve for x
    x = 210,265,207.16/18,734.98
  6. Step 6: Final answer
    x = 11,223.13

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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.