Home / 11,238.39-16,857.45-8,775.24

Finding the Fourth Proportional to 11,238.39, 16,857.45 and 8,775.24

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Solution

The fourth proportional to 11,238.39, 16,857.45 and 8,775.24 is: 13,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.39 : 16,857.45 = 8,775.24 : x
  2. Step 2: Convert to fraction form
    11,238.39/16,857.45 = 8,775.24/x
  3. Step 3: Cross multiply
    11,238.39x = 16,857.45 × 8,775.24
  4. Step 4: Simplify right side
    11,238.39x = 147,928,169.54
  5. Step 5: Solve for x
    x = 147,928,169.54/11,238.39
  6. Step 6: Final answer
    x = 13,162.75

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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.