Home / 18,141.97-27,217.53-7,045.69

Finding the Fourth Proportional to 18,141.97, 27,217.53 and 7,045.69

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Solution

The fourth proportional to 18,141.97, 27,217.53 and 7,045.69 is: 10,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.97 : 27,217.53 = 7,045.69 : x
  2. Step 2: Convert to fraction form
    18,141.97/27,217.53 = 7,045.69/x
  3. Step 3: Cross multiply
    18,141.97x = 27,217.53 × 7,045.69
  4. Step 4: Simplify right side
    18,141.97x = 191,766,278.95
  5. Step 5: Solve for x
    x = 191,766,278.95/18,141.97
  6. Step 6: Final answer
    x = 10,570.31

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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.