Home / 11,891.16-17,758.68-9,554.73

Finding the Fourth Proportional to 11,891.16, 17,758.68 and 9,554.73

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Solution

The fourth proportional to 11,891.16, 17,758.68 and 9,554.73 is: 14,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.16 : 17,758.68 = 9,554.73 : x
  2. Step 2: Convert to fraction form
    11,891.16/17,758.68 = 9,554.73/x
  3. Step 3: Cross multiply
    11,891.16x = 17,758.68 × 9,554.73
  4. Step 4: Simplify right side
    11,891.16x = 169,679,392.56
  5. Step 5: Solve for x
    x = 169,679,392.56/11,891.16
  6. Step 6: Final answer
    x = 14,269.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.