Home / 14,194.34-21,306.04-11,721.28

Finding the Fourth Proportional to 14,194.34, 21,306.04 and 11,721.28

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Solution

The fourth proportional to 14,194.34, 21,306.04 and 11,721.28 is: 17,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.34 : 21,306.04 = 11,721.28 : x
  2. Step 2: Convert to fraction form
    14,194.34/21,306.04 = 11,721.28/x
  3. Step 3: Cross multiply
    14,194.34x = 21,306.04 × 11,721.28
  4. Step 4: Simplify right side
    14,194.34x = 249,734,060.53
  5. Step 5: Solve for x
    x = 249,734,060.53/14,194.34
  6. Step 6: Final answer
    x = 17,593.92

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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.