Home / 12,187.44-18,281.16-4,396.14

Finding the Fourth Proportional to 12,187.44, 18,281.16 and 4,396.14

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Solution

The fourth proportional to 12,187.44, 18,281.16 and 4,396.14 is: 6,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.44 : 18,281.16 = 4,396.14 : x
  2. Step 2: Convert to fraction form
    12,187.44/18,281.16 = 4,396.14/x
  3. Step 3: Cross multiply
    12,187.44x = 18,281.16 × 4,396.14
  4. Step 4: Simplify right side
    12,187.44x = 80,366,538.72
  5. Step 5: Solve for x
    x = 80,366,538.72/12,187.44
  6. Step 6: Final answer
    x = 6,594.21

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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.