Home / 10,144.41-15,216.61-4,221.18

Finding the Fourth Proportional to 10,144.41, 15,216.61 and 4,221.18

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Solution

The fourth proportional to 10,144.41, 15,216.61 and 4,221.18 is: 6,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.41 : 15,216.61 = 4,221.18 : x
  2. Step 2: Convert to fraction form
    10,144.41/15,216.61 = 4,221.18/x
  3. Step 3: Cross multiply
    10,144.41x = 15,216.61 × 4,221.18
  4. Step 4: Simplify right side
    10,144.41x = 64,232,049.80
  5. Step 5: Solve for x
    x = 64,232,049.80/10,144.41
  6. Step 6: Final answer
    x = 6,331.77

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Double scale
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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.