Home / 18,239.12-27,362.91-5,760.38

Finding the Fourth Proportional to 18,239.12, 27,362.91 and 5,760.38

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Solution

The fourth proportional to 18,239.12, 27,362.91 and 5,760.38 is: 8,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.12 : 27,362.91 = 5,760.38 : x
  2. Step 2: Convert to fraction form
    18,239.12/27,362.91 = 5,760.38/x
  3. Step 3: Cross multiply
    18,239.12x = 27,362.91 × 5,760.38
  4. Step 4: Simplify right side
    18,239.12x = 157,620,759.51
  5. Step 5: Solve for x
    x = 157,620,759.51/18,239.12
  6. Step 6: Final answer
    x = 8,641.91

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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.