Home / 10,144.23-15,216.34-3,218.19

Finding the Fourth Proportional to 10,144.23, 15,216.34 and 3,218.19

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Solution

The fourth proportional to 10,144.23, 15,216.34 and 3,218.19 is: 4,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.23 : 15,216.34 = 3,218.19 : x
  2. Step 2: Convert to fraction form
    10,144.23/15,216.34 = 3,218.19/x
  3. Step 3: Cross multiply
    10,144.23x = 15,216.34 × 3,218.19
  4. Step 4: Simplify right side
    10,144.23x = 48,969,073.22
  5. Step 5: Solve for x
    x = 48,969,073.22/10,144.23
  6. Step 6: Final answer
    x = 4,827.28

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Similar ratio
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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.