Home / 13,517.74-18,654.81-8,482.18

Finding the Fourth Proportional to 13,517.74, 18,654.81 and 8,482.18

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Solution

The fourth proportional to 13,517.74, 18,654.81 and 8,482.18 is: 11,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.74 : 18,654.81 = 8,482.18 : x
  2. Step 2: Convert to fraction form
    13,517.74/18,654.81 = 8,482.18/x
  3. Step 3: Cross multiply
    13,517.74x = 18,654.81 × 8,482.18
  4. Step 4: Simplify right side
    13,517.74x = 158,233,456.29
  5. Step 5: Solve for x
    x = 158,233,456.29/13,517.74
  6. Step 6: Final answer
    x = 11,705.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.