Home / 15,145.41-22,716.50-5,284.88

Finding the Fourth Proportional to 15,145.41, 22,716.50 and 5,284.88

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Solution

The fourth proportional to 15,145.41, 22,716.50 and 5,284.88 is: 7,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.41 : 22,716.50 = 5,284.88 : x
  2. Step 2: Convert to fraction form
    15,145.41/22,716.50 = 5,284.88/x
  3. Step 3: Cross multiply
    15,145.41x = 22,716.50 × 5,284.88
  4. Step 4: Simplify right side
    15,145.41x = 120,053,951.43
  5. Step 5: Solve for x
    x = 120,053,951.43/15,145.41
  6. Step 6: Final answer
    x = 7,926.75

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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.