Home / 18,185.67-27,278.48-5,706.79

Finding the Fourth Proportional to 18,185.67, 27,278.48 and 5,706.79

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Solution

The fourth proportional to 18,185.67, 27,278.48 and 5,706.79 is: 8,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.67 : 27,278.48 = 5,706.79 : x
  2. Step 2: Convert to fraction form
    18,185.67/27,278.48 = 5,706.79/x
  3. Step 3: Cross multiply
    18,185.67x = 27,278.48 × 5,706.79
  4. Step 4: Simplify right side
    18,185.67x = 155,672,502.95
  5. Step 5: Solve for x
    x = 155,672,502.95/18,185.67
  6. Step 6: Final answer
    x = 8,560.17

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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.