Home / 11,248.57-15,522.90-6,212.69

Finding the Fourth Proportional to 11,248.57, 15,522.90 and 6,212.69

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Solution

The fourth proportional to 11,248.57, 15,522.90 and 6,212.69 is: 8,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.57 : 15,522.90 = 6,212.69 : x
  2. Step 2: Convert to fraction form
    11,248.57/15,522.90 = 6,212.69/x
  3. Step 3: Cross multiply
    11,248.57x = 15,522.90 × 6,212.69
  4. Step 4: Simplify right side
    11,248.57x = 96,438,965.60
  5. Step 5: Solve for x
    x = 96,438,965.60/11,248.57
  6. Step 6: Final answer
    x = 8,573.44

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.