Home / 11,550.42-17,291.07-7,437.78

Finding the Fourth Proportional to 11,550.42, 17,291.07 and 7,437.78

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Solution

The fourth proportional to 11,550.42, 17,291.07 and 7,437.78 is: 11,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.42 : 17,291.07 = 7,437.78 : x
  2. Step 2: Convert to fraction form
    11,550.42/17,291.07 = 7,437.78/x
  3. Step 3: Cross multiply
    11,550.42x = 17,291.07 × 7,437.78
  4. Step 4: Simplify right side
    11,550.42x = 128,607,174.62
  5. Step 5: Solve for x
    x = 128,607,174.62/11,550.42
  6. Step 6: Final answer
    x = 11,134.42

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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.