Home / 15,010.82-22,519.86-5,147.48

Finding the Fourth Proportional to 15,010.82, 22,519.86 and 5,147.48

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Solution

The fourth proportional to 15,010.82, 22,519.86 and 5,147.48 is: 7,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.82 : 22,519.86 = 5,147.48 : x
  2. Step 2: Convert to fraction form
    15,010.82/22,519.86 = 5,147.48/x
  3. Step 3: Cross multiply
    15,010.82x = 22,519.86 × 5,147.48
  4. Step 4: Simplify right side
    15,010.82x = 115,920,528.95
  5. Step 5: Solve for x
    x = 115,920,528.95/15,010.82
  6. Step 6: Final answer
    x = 7,722.46

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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.