Home / 19,170.96-28,761.30-7,324.74

Finding the Fourth Proportional to 19,170.96, 28,761.30 and 7,324.74

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Solution

The fourth proportional to 19,170.96, 28,761.30 and 7,324.74 is: 10,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.96 : 28,761.30 = 7,324.74 : x
  2. Step 2: Convert to fraction form
    19,170.96/28,761.30 = 7,324.74/x
  3. Step 3: Cross multiply
    19,170.96x = 28,761.30 × 7,324.74
  4. Step 4: Simplify right side
    19,170.96x = 210,669,044.56
  5. Step 5: Solve for x
    x = 210,669,044.56/19,170.96
  6. Step 6: Final answer
    x = 10,988.97

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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.