Home / 19,324.19-28,997.24-8,229.75

Finding the Fourth Proportional to 19,324.19, 28,997.24 and 8,229.75

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Solution

The fourth proportional to 19,324.19, 28,997.24 and 8,229.75 is: 12,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.19 : 28,997.24 = 8,229.75 : x
  2. Step 2: Convert to fraction form
    19,324.19/28,997.24 = 8,229.75/x
  3. Step 3: Cross multiply
    19,324.19x = 28,997.24 × 8,229.75
  4. Step 4: Simplify right side
    19,324.19x = 238,639,994.74
  5. Step 5: Solve for x
    x = 238,639,994.74/19,324.19
  6. Step 6: Final answer
    x = 12,349.29

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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.