Home / 12,116.49-18,173.36-4,217.67

Finding the Fourth Proportional to 12,116.49, 18,173.36 and 4,217.67

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Solution

The fourth proportional to 12,116.49, 18,173.36 and 4,217.67 is: 6,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.49 : 18,173.36 = 4,217.67 : x
  2. Step 2: Convert to fraction form
    12,116.49/18,173.36 = 4,217.67/x
  3. Step 3: Cross multiply
    12,116.49x = 18,173.36 × 4,217.67
  4. Step 4: Simplify right side
    12,116.49x = 76,649,245.82
  5. Step 5: Solve for x
    x = 76,649,245.82/12,116.49
  6. Step 6: Final answer
    x = 6,326.03

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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.