Home / 18,680.49-28,020.68-6,201.46

Finding the Fourth Proportional to 18,680.49, 28,020.68 and 6,201.46

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Solution

The fourth proportional to 18,680.49, 28,020.68 and 6,201.46 is: 9,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.49 : 28,020.68 = 6,201.46 : x
  2. Step 2: Convert to fraction form
    18,680.49/28,020.68 = 6,201.46/x
  3. Step 3: Cross multiply
    18,680.49x = 28,020.68 × 6,201.46
  4. Step 4: Simplify right side
    18,680.49x = 173,769,188.35
  5. Step 5: Solve for x
    x = 173,769,188.35/18,680.49
  6. Step 6: Final answer
    x = 9,302.18

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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.