Home / 12,892.28-19,337.03-7,960.60

Finding the Fourth Proportional to 12,892.28, 19,337.03 and 7,960.60

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Solution

The fourth proportional to 12,892.28, 19,337.03 and 7,960.60 is: 11,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.28 : 19,337.03 = 7,960.60 : x
  2. Step 2: Convert to fraction form
    12,892.28/19,337.03 = 7,960.60/x
  3. Step 3: Cross multiply
    12,892.28x = 19,337.03 × 7,960.60
  4. Step 4: Simplify right side
    12,892.28x = 153,934,266.47
  5. Step 5: Solve for x
    x = 153,934,266.47/12,892.28
  6. Step 6: Final answer
    x = 11,940.03

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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.