Home / 14,386.92-21,540.24-7,351.80

Finding the Fourth Proportional to 14,386.92, 21,540.24 and 7,351.80

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Solution

The fourth proportional to 14,386.92, 21,540.24 and 7,351.80 is: 11,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.92 : 21,540.24 = 7,351.80 : x
  2. Step 2: Convert to fraction form
    14,386.92/21,540.24 = 7,351.80/x
  3. Step 3: Cross multiply
    14,386.92x = 21,540.24 × 7,351.80
  4. Step 4: Simplify right side
    14,386.92x = 158,359,536.43
  5. Step 5: Solve for x
    x = 158,359,536.43/14,386.92
  6. Step 6: Final answer
    x = 11,007.19

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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.