Home / 21,378.27-32,067.95-10,130.97

Finding the Fourth Proportional to 21,378.27, 32,067.95 and 10,130.97

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Solution

The fourth proportional to 21,378.27, 32,067.95 and 10,130.97 is: 15,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378.27 : 32,067.95 = 10,130.97 : x
  2. Step 2: Convert to fraction form
    21,378.27/32,067.95 = 10,130.97/x
  3. Step 3: Cross multiply
    21,378.27x = 32,067.95 × 10,130.97
  4. Step 4: Simplify right side
    21,378.27x = 324,879,388.76
  5. Step 5: Solve for x
    x = 324,879,388.76/21,378.27
  6. Step 6: Final answer
    x = 15,196.71

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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.