Home / 12,343.19-18,514.78-6,793.67

Finding the Fourth Proportional to 12,343.19, 18,514.78 and 6,793.67

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Solution

The fourth proportional to 12,343.19, 18,514.78 and 6,793.67 is: 10,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.19 : 18,514.78 = 6,793.67 : x
  2. Step 2: Convert to fraction form
    12,343.19/18,514.78 = 6,793.67/x
  3. Step 3: Cross multiply
    12,343.19x = 18,514.78 × 6,793.67
  4. Step 4: Simplify right side
    12,343.19x = 125,783,334.75
  5. Step 5: Solve for x
    x = 125,783,334.75/12,343.19
  6. Step 6: Final answer
    x = 10,190.51

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