Home / 12,734.69-19,102.91-5,331.69

Finding the Fourth Proportional to 12,734.69, 19,102.91 and 5,331.69

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Solution

The fourth proportional to 12,734.69, 19,102.91 and 5,331.69 is: 7,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.69 : 19,102.91 = 5,331.69 : x
  2. Step 2: Convert to fraction form
    12,734.69/19,102.91 = 5,331.69/x
  3. Step 3: Cross multiply
    12,734.69x = 19,102.91 × 5,331.69
  4. Step 4: Simplify right side
    12,734.69x = 101,850,767.56
  5. Step 5: Solve for x
    x = 101,850,767.56/12,734.69
  6. Step 6: Final answer
    x = 7,997.90

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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.