Home / 14,042.98-21,064.40-5,721.04

Finding the Fourth Proportional to 14,042.98, 21,064.40 and 5,721.04

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Solution

The fourth proportional to 14,042.98, 21,064.40 and 5,721.04 is: 8,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.98 : 21,064.40 = 5,721.04 : x
  2. Step 2: Convert to fraction form
    14,042.98/21,064.40 = 5,721.04/x
  3. Step 3: Cross multiply
    14,042.98x = 21,064.40 × 5,721.04
  4. Step 4: Simplify right side
    14,042.98x = 120,510,141.05
  5. Step 5: Solve for x
    x = 120,510,141.05/14,042.98
  6. Step 6: Final answer
    x = 8,581.53

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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.