Home / 12,766.33-19,149.50-3,532.33

Finding the Fourth Proportional to 12,766.33, 19,149.50 and 3,532.33

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Solution

The fourth proportional to 12,766.33, 19,149.50 and 3,532.33 is: 5,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.33 : 19,149.50 = 3,532.33 : x
  2. Step 2: Convert to fraction form
    12,766.33/19,149.50 = 3,532.33/x
  3. Step 3: Cross multiply
    12,766.33x = 19,149.50 × 3,532.33
  4. Step 4: Simplify right side
    12,766.33x = 67,642,353.34
  5. Step 5: Solve for x
    x = 67,642,353.34/12,766.33
  6. Step 6: Final answer
    x = 5,298.50

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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.