Home / 12,731.70-19,063.50-7,462.38

Finding the Fourth Proportional to 12,731.70, 19,063.50 and 7,462.38

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Solution

The fourth proportional to 12,731.70, 19,063.50 and 7,462.38 is: 11,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.70 : 19,063.50 = 7,462.38 : x
  2. Step 2: Convert to fraction form
    12,731.70/19,063.50 = 7,462.38/x
  3. Step 3: Cross multiply
    12,731.70x = 19,063.50 × 7,462.38
  4. Step 4: Simplify right side
    12,731.70x = 142,259,081.13
  5. Step 5: Solve for x
    x = 142,259,081.13/12,731.70
  6. Step 6: Final answer
    x = 11,173.61

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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.