Home / 15,781.83-23,667.61-5,249.02

Finding the Fourth Proportional to 15,781.83, 23,667.61 and 5,249.02

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Solution

The fourth proportional to 15,781.83, 23,667.61 and 5,249.02 is: 7,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.83 : 23,667.61 = 5,249.02 : x
  2. Step 2: Convert to fraction form
    15,781.83/23,667.61 = 5,249.02/x
  3. Step 3: Cross multiply
    15,781.83x = 23,667.61 × 5,249.02
  4. Step 4: Simplify right side
    15,781.83x = 124,231,758.24
  5. Step 5: Solve for x
    x = 124,231,758.24/15,781.83
  6. Step 6: Final answer
    x = 7,871.82

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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.