Home / 19,183.29-28,772.51-7,504.71

Finding the Fourth Proportional to 19,183.29, 28,772.51 and 7,504.71

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Solution

The fourth proportional to 19,183.29, 28,772.51 and 7,504.71 is: 11,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.29 : 28,772.51 = 7,504.71 : x
  2. Step 2: Convert to fraction form
    19,183.29/28,772.51 = 7,504.71/x
  3. Step 3: Cross multiply
    19,183.29x = 28,772.51 × 7,504.71
  4. Step 4: Simplify right side
    19,183.29x = 215,929,306.00
  5. Step 5: Solve for x
    x = 215,929,306.00/19,183.29
  6. Step 6: Final answer
    x = 11,256.11

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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.