Home / 12,794.34-19,191.51-4,997.69

Finding the Fourth Proportional to 12,794.34, 19,191.51 and 4,997.69

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Solution

The fourth proportional to 12,794.34, 19,191.51 and 4,997.69 is: 7,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.34 : 19,191.51 = 4,997.69 : x
  2. Step 2: Convert to fraction form
    12,794.34/19,191.51 = 4,997.69/x
  3. Step 3: Cross multiply
    12,794.34x = 19,191.51 × 4,997.69
  4. Step 4: Simplify right side
    12,794.34x = 95,913,217.61
  5. Step 5: Solve for x
    x = 95,913,217.61/12,794.34
  6. Step 6: Final answer
    x = 7,496.54

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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.