Home / 11,400.31-17,106.38-8,626.16

Finding the Fourth Proportional to 11,400.31, 17,106.38 and 8,626.16

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Solution

The fourth proportional to 11,400.31, 17,106.38 and 8,626.16 is: 12,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.31 : 17,106.38 = 8,626.16 : x
  2. Step 2: Convert to fraction form
    11,400.31/17,106.38 = 8,626.16/x
  3. Step 3: Cross multiply
    11,400.31x = 17,106.38 × 8,626.16
  4. Step 4: Simplify right side
    11,400.31x = 147,562,306.93
  5. Step 5: Solve for x
    x = 147,562,306.93/11,400.31
  6. Step 6: Final answer
    x = 12,943.71

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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.