Home / 21,219.11-29,306.97-14,133.23

Finding the Fourth Proportional to 21,219.11, 29,306.97 and 14,133.23

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Solution

The fourth proportional to 21,219.11, 29,306.97 and 14,133.23 is: 19,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,219.11 : 29,306.97 = 14,133.23 : x
  2. Step 2: Convert to fraction form
    21,219.11/29,306.97 = 14,133.23/x
  3. Step 3: Cross multiply
    21,219.11x = 29,306.97 × 14,133.23
  4. Step 4: Simplify right side
    21,219.11x = 414,202,001.08
  5. Step 5: Solve for x
    x = 414,202,001.08/21,219.11
  6. Step 6: Final answer
    x = 19,520.24

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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.