Home / 11,747.40-17,621.10-6,498.60

Finding the Fourth Proportional to 11,747.40, 17,621.10 and 6,498.60

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Solution

The fourth proportional to 11,747.40, 17,621.10 and 6,498.60 is: 9,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.40 : 17,621.10 = 6,498.60 : x
  2. Step 2: Convert to fraction form
    11,747.40/17,621.10 = 6,498.60/x
  3. Step 3: Cross multiply
    11,747.40x = 17,621.10 × 6,498.60
  4. Step 4: Simplify right side
    11,747.40x = 114,512,480.46
  5. Step 5: Solve for x
    x = 114,512,480.46/11,747.40
  6. Step 6: Final answer
    x = 9,747.90

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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.