Home / 10,654.36-15,977.43-3,155.83

Finding the Fourth Proportional to 10,654.36, 15,977.43 and 3,155.83

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Solution

The fourth proportional to 10,654.36, 15,977.43 and 3,155.83 is: 4,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.36 : 15,977.43 = 3,155.83 : x
  2. Step 2: Convert to fraction form
    10,654.36/15,977.43 = 3,155.83/x
  3. Step 3: Cross multiply
    10,654.36x = 15,977.43 × 3,155.83
  4. Step 4: Simplify right side
    10,654.36x = 50,422,052.92
  5. Step 5: Solve for x
    x = 50,422,052.92/10,654.36
  6. Step 6: Final answer
    x = 4,732.53

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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.