Home / 10,214.91-15,321.24-3,550.20

Finding the Fourth Proportional to 10,214.91, 15,321.24 and 3,550.20

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Solution

The fourth proportional to 10,214.91, 15,321.24 and 3,550.20 is: 5,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.91 : 15,321.24 = 3,550.20 : x
  2. Step 2: Convert to fraction form
    10,214.91/15,321.24 = 3,550.20/x
  3. Step 3: Cross multiply
    10,214.91x = 15,321.24 × 3,550.20
  4. Step 4: Simplify right side
    10,214.91x = 54,393,466.25
  5. Step 5: Solve for x
    x = 54,393,466.25/10,214.91
  6. Step 6: Final answer
    x = 5,324.91

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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.