Home / 18,154.93-27,204.66-7,619.24

Finding the Fourth Proportional to 18,154.93, 27,204.66 and 7,619.24

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Solution

The fourth proportional to 18,154.93, 27,204.66 and 7,619.24 is: 11,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.93 : 27,204.66 = 7,619.24 : x
  2. Step 2: Convert to fraction form
    18,154.93/27,204.66 = 7,619.24/x
  3. Step 3: Cross multiply
    18,154.93x = 27,204.66 × 7,619.24
  4. Step 4: Simplify right side
    18,154.93x = 207,278,833.66
  5. Step 5: Solve for x
    x = 207,278,833.66/18,154.93
  6. Step 6: Final answer
    x = 11,417.22

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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.