Home / 11,520.42-17,247.81-7,567.41

Finding the Fourth Proportional to 11,520.42, 17,247.81 and 7,567.41

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Solution

The fourth proportional to 11,520.42, 17,247.81 and 7,567.41 is: 11,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.42 : 17,247.81 = 7,567.41 : x
  2. Step 2: Convert to fraction form
    11,520.42/17,247.81 = 7,567.41/x
  3. Step 3: Cross multiply
    11,520.42x = 17,247.81 × 7,567.41
  4. Step 4: Simplify right side
    11,520.42x = 130,521,249.87
  5. Step 5: Solve for x
    x = 130,521,249.87/11,520.42
  6. Step 6: Final answer
    x = 11,329.56

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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.