Home / 18,554.97-27,829.75-5,403.81

Finding the Fourth Proportional to 18,554.97, 27,829.75 and 5,403.81

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Solution

The fourth proportional to 18,554.97, 27,829.75 and 5,403.81 is: 8,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.97 : 27,829.75 = 5,403.81 : x
  2. Step 2: Convert to fraction form
    18,554.97/27,829.75 = 5,403.81/x
  3. Step 3: Cross multiply
    18,554.97x = 27,829.75 × 5,403.81
  4. Step 4: Simplify right side
    18,554.97x = 150,386,681.35
  5. Step 5: Solve for x
    x = 150,386,681.35/18,554.97
  6. Step 6: Final answer
    x = 8,104.93

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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.