Home / 21,706.04-29,952.88-12,144.26

Finding the Fourth Proportional to 21,706.04, 29,952.88 and 12,144.26

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Solution

The fourth proportional to 21,706.04, 29,952.88 and 12,144.26 is: 16,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706.04 : 29,952.88 = 12,144.26 : x
  2. Step 2: Convert to fraction form
    21,706.04/29,952.88 = 12,144.26/x
  3. Step 3: Cross multiply
    21,706.04x = 29,952.88 × 12,144.26
  4. Step 4: Simplify right side
    21,706.04x = 363,755,562.47
  5. Step 5: Solve for x
    x = 363,755,562.47/21,706.04
  6. Step 6: Final answer
    x = 16,758.26

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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.