Home / 22,125.85-33,170.77-10,287.09

Finding the Fourth Proportional to 22,125.85, 33,170.77 and 10,287.09

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Solution

The fourth proportional to 22,125.85, 33,170.77 and 10,287.09 is: 15,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.85 : 33,170.77 = 10,287.09 : x
  2. Step 2: Convert to fraction form
    22,125.85/33,170.77 = 10,287.09/x
  3. Step 3: Cross multiply
    22,125.85x = 33,170.77 × 10,287.09
  4. Step 4: Simplify right side
    22,125.85x = 341,230,479.07
  5. Step 5: Solve for x
    x = 341,230,479.07/22,125.85
  6. Step 6: Final answer
    x = 15,422.26

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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.