Home / 14,228.67-21,340.49-3,841.23

Finding the Fourth Proportional to 14,228.67, 21,340.49 and 3,841.23

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Solution

The fourth proportional to 14,228.67, 21,340.49 and 3,841.23 is: 5,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.67 : 21,340.49 = 3,841.23 : x
  2. Step 2: Convert to fraction form
    14,228.67/21,340.49 = 3,841.23/x
  3. Step 3: Cross multiply
    14,228.67x = 21,340.49 × 3,841.23
  4. Step 4: Simplify right side
    14,228.67x = 81,973,711.20
  5. Step 5: Solve for x
    x = 81,973,711.20/14,228.67
  6. Step 6: Final answer
    x = 5,761.16

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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.