Home / 11,229.40-15,495.85-6,193.65

Finding the Fourth Proportional to 11,229.40, 15,495.85 and 6,193.65

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Solution

The fourth proportional to 11,229.40, 15,495.85 and 6,193.65 is: 8,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.40 : 15,495.85 = 6,193.65 : x
  2. Step 2: Convert to fraction form
    11,229.40/15,495.85 = 6,193.65/x
  3. Step 3: Cross multiply
    11,229.40x = 15,495.85 × 6,193.65
  4. Step 4: Simplify right side
    11,229.40x = 95,975,871.35
  5. Step 5: Solve for x
    x = 95,975,871.35/11,229.40
  6. Step 6: Final answer
    x = 8,546.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.