Home / 15,284.88-22,919.76-5,422.68

Finding the Fourth Proportional to 15,284.88, 22,919.76 and 5,422.68

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Solution

The fourth proportional to 15,284.88, 22,919.76 and 5,422.68 is: 8,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.88 : 22,919.76 = 5,422.68 : x
  2. Step 2: Convert to fraction form
    15,284.88/22,919.76 = 5,422.68/x
  3. Step 3: Cross multiply
    15,284.88x = 22,919.76 × 5,422.68
  4. Step 4: Simplify right side
    15,284.88x = 124,286,524.16
  5. Step 5: Solve for x
    x = 124,286,524.16/15,284.88
  6. Step 6: Final answer
    x = 8,131.34

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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.