Home / 11,150.87-16,729.37-9,065.71

Finding the Fourth Proportional to 11,150.87, 16,729.37 and 9,065.71

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Solution

The fourth proportional to 11,150.87, 16,729.37 and 9,065.71 is: 13,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.87 : 16,729.37 = 9,065.71 : x
  2. Step 2: Convert to fraction form
    11,150.87/16,729.37 = 9,065.71/x
  3. Step 3: Cross multiply
    11,150.87x = 16,729.37 × 9,065.71
  4. Step 4: Simplify right side
    11,150.87x = 151,663,487.93
  5. Step 5: Solve for x
    x = 151,663,487.93/11,150.87
  6. Step 6: Final answer
    x = 13,601.05

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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.