Home / 21,373.87-32,067.83-10,279.13

Finding the Fourth Proportional to 21,373.87, 32,067.83 and 10,279.13

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Solution

The fourth proportional to 21,373.87, 32,067.83 and 10,279.13 is: 15,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.87 : 32,067.83 = 10,279.13 : x
  2. Step 2: Convert to fraction form
    21,373.87/32,067.83 = 10,279.13/x
  3. Step 3: Cross multiply
    21,373.87x = 32,067.83 × 10,279.13
  4. Step 4: Simplify right side
    21,373.87x = 329,629,393.39
  5. Step 5: Solve for x
    x = 329,629,393.39/21,373.87
  6. Step 6: Final answer
    x = 15,422.07

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1.5x scale

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.