Home / 12,727.70-19,098.99-5,331.54

Finding the Fourth Proportional to 12,727.70, 19,098.99 and 5,331.54

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Solution

The fourth proportional to 12,727.70, 19,098.99 and 5,331.54 is: 8,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.70 : 19,098.99 = 5,331.54 : x
  2. Step 2: Convert to fraction form
    12,727.70/19,098.99 = 5,331.54/x
  3. Step 3: Cross multiply
    12,727.70x = 19,098.99 × 5,331.54
  4. Step 4: Simplify right side
    12,727.70x = 101,827,029.14
  5. Step 5: Solve for x
    x = 101,827,029.14/12,727.70
  6. Step 6: Final answer
    x = 8,000.43

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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.