Home / 21,233.04-29,304.36-12,849.68

Finding the Fourth Proportional to 21,233.04, 29,304.36 and 12,849.68

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Solution

The fourth proportional to 21,233.04, 29,304.36 and 12,849.68 is: 17,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.04 : 29,304.36 = 12,849.68 : x
  2. Step 2: Convert to fraction form
    21,233.04/29,304.36 = 12,849.68/x
  3. Step 3: Cross multiply
    21,233.04x = 29,304.36 × 12,849.68
  4. Step 4: Simplify right side
    21,233.04x = 376,551,648.60
  5. Step 5: Solve for x
    x = 376,551,648.60/21,233.04
  6. Step 6: Final answer
    x = 17,734.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.