Home / 11,435.14-17,155.41-9,103.96

Finding the Fourth Proportional to 11,435.14, 17,155.41 and 9,103.96

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Solution

The fourth proportional to 11,435.14, 17,155.41 and 9,103.96 is: 13,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.14 : 17,155.41 = 9,103.96 : x
  2. Step 2: Convert to fraction form
    11,435.14/17,155.41 = 9,103.96/x
  3. Step 3: Cross multiply
    11,435.14x = 17,155.41 × 9,103.96
  4. Step 4: Simplify right side
    11,435.14x = 156,182,166.42
  5. Step 5: Solve for x
    x = 156,182,166.42/11,435.14
  6. Step 6: Final answer
    x = 13,658.09

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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.