Home / 10,189.26-15,284.49-3,169.74

Finding the Fourth Proportional to 10,189.26, 15,284.49 and 3,169.74

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Solution

The fourth proportional to 10,189.26, 15,284.49 and 3,169.74 is: 4,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.26 : 15,284.49 = 3,169.74 : x
  2. Step 2: Convert to fraction form
    10,189.26/15,284.49 = 3,169.74/x
  3. Step 3: Cross multiply
    10,189.26x = 15,284.49 × 3,169.74
  4. Step 4: Simplify right side
    10,189.26x = 48,447,859.33
  5. Step 5: Solve for x
    x = 48,447,859.33/10,189.26
  6. Step 6: Final answer
    x = 4,754.80

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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.