Home / 15,111.40-22,668.18-5,249.44

Finding the Fourth Proportional to 15,111.40, 22,668.18 and 5,249.44

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Solution

The fourth proportional to 15,111.40, 22,668.18 and 5,249.44 is: 7,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.40 : 22,668.18 = 5,249.44 : x
  2. Step 2: Convert to fraction form
    15,111.40/22,668.18 = 5,249.44/x
  3. Step 3: Cross multiply
    15,111.40x = 22,668.18 × 5,249.44
  4. Step 4: Simplify right side
    15,111.40x = 118,995,250.82
  5. Step 5: Solve for x
    x = 118,995,250.82/15,111.40
  6. Step 6: Final answer
    x = 7,874.54

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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.