Home / 11,475.54-17,210-3,155.83

Finding the Fourth Proportional to 11,475.54, 17,210 and 3,155.83

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Solution

The fourth proportional to 11,475.54, 17,210 and 3,155.83 is: 4,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.54 : 17,210 = 3,155.83 : x
  2. Step 2: Convert to fraction form
    11,475.54/17,210 = 3,155.83/x
  3. Step 3: Cross multiply
    11,475.54x = 17,210 × 3,155.83
  4. Step 4: Simplify right side
    11,475.54x = 54,311,834.30
  5. Step 5: Solve for x
    x = 54,311,834.30/11,475.54
  6. Step 6: Final answer
    x = 4,732.83

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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.