Home / 18,534.32-27,806.04-5,386.82

Finding the Fourth Proportional to 18,534.32, 27,806.04 and 5,386.82

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Solution

The fourth proportional to 18,534.32, 27,806.04 and 5,386.82 is: 8,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.32 : 27,806.04 = 5,386.82 : x
  2. Step 2: Convert to fraction form
    18,534.32/27,806.04 = 5,386.82/x
  3. Step 3: Cross multiply
    18,534.32x = 27,806.04 × 5,386.82
  4. Step 4: Simplify right side
    18,534.32x = 149,786,132.39
  5. Step 5: Solve for x
    x = 149,786,132.39/18,534.32
  6. Step 6: Final answer
    x = 8,081.56

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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.