Home / 19,046.28-28,569.42-9,183.72

Finding the Fourth Proportional to 19,046.28, 28,569.42 and 9,183.72

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Solution

The fourth proportional to 19,046.28, 28,569.42 and 9,183.72 is: 13,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.28 : 28,569.42 = 9,183.72 : x
  2. Step 2: Convert to fraction form
    19,046.28/28,569.42 = 9,183.72/x
  3. Step 3: Cross multiply
    19,046.28x = 28,569.42 × 9,183.72
  4. Step 4: Simplify right side
    19,046.28x = 262,373,553.84
  5. Step 5: Solve for x
    x = 262,373,553.84/19,046.28
  6. Step 6: Final answer
    x = 13,775.58

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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.