Home / 12,822.60-19,233.90-8,667.30

Finding the Fourth Proportional to 12,822.60, 19,233.90 and 8,667.30

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Solution

The fourth proportional to 12,822.60, 19,233.90 and 8,667.30 is: 13,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.60 : 19,233.90 = 8,667.30 : x
  2. Step 2: Convert to fraction form
    12,822.60/19,233.90 = 8,667.30/x
  3. Step 3: Cross multiply
    12,822.60x = 19,233.90 × 8,667.30
  4. Step 4: Simplify right side
    12,822.60x = 166,705,981.47
  5. Step 5: Solve for x
    x = 166,705,981.47/12,822.60
  6. Step 6: Final answer
    x = 13,000.95

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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.