Home / 11,400.81-17,107.14-8,626.66

Finding the Fourth Proportional to 11,400.81, 17,107.14 and 8,626.66

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Solution

The fourth proportional to 11,400.81, 17,107.14 and 8,626.66 is: 12,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.81 : 17,107.14 = 8,626.66 : x
  2. Step 2: Convert to fraction form
    11,400.81/17,107.14 = 8,626.66/x
  3. Step 3: Cross multiply
    11,400.81x = 17,107.14 × 8,626.66
  4. Step 4: Simplify right side
    11,400.81x = 147,577,351.68
  5. Step 5: Solve for x
    x = 147,577,351.68/11,400.81
  6. Step 6: Final answer
    x = 12,944.46

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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.