Home / 12,187.46-18,281.19-4,396.27

Finding the Fourth Proportional to 12,187.46, 18,281.19 and 4,396.27

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Solution

The fourth proportional to 12,187.46, 18,281.19 and 4,396.27 is: 6,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.46 : 18,281.19 = 4,396.27 : x
  2. Step 2: Convert to fraction form
    12,187.46/18,281.19 = 4,396.27/x
  3. Step 3: Cross multiply
    12,187.46x = 18,281.19 × 4,396.27
  4. Step 4: Simplify right side
    12,187.46x = 80,369,047.16
  5. Step 5: Solve for x
    x = 80,369,047.16/12,187.46
  6. Step 6: Final answer
    x = 6,594.41

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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.