Home / 18,456.43-27,684.75-4,605.43

Finding the Fourth Proportional to 18,456.43, 27,684.75 and 4,605.43

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Solution

The fourth proportional to 18,456.43, 27,684.75 and 4,605.43 is: 6,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.43 : 27,684.75 = 4,605.43 : x
  2. Step 2: Convert to fraction form
    18,456.43/27,684.75 = 4,605.43/x
  3. Step 3: Cross multiply
    18,456.43x = 27,684.75 × 4,605.43
  4. Step 4: Simplify right side
    18,456.43x = 127,500,178.19
  5. Step 5: Solve for x
    x = 127,500,178.19/18,456.43
  6. Step 6: Final answer
    x = 6,908.17

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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.