Home / 17,515.62-26,286.08-6,979.55

Finding the Fourth Proportional to 17,515.62, 26,286.08 and 6,979.55

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Solution

The fourth proportional to 17,515.62, 26,286.08 and 6,979.55 is: 10,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.62 : 26,286.08 = 6,979.55 : x
  2. Step 2: Convert to fraction form
    17,515.62/26,286.08 = 6,979.55/x
  3. Step 3: Cross multiply
    17,515.62x = 26,286.08 × 6,979.55
  4. Step 4: Simplify right side
    17,515.62x = 183,464,843.34
  5. Step 5: Solve for x
    x = 183,464,843.34/17,515.62
  6. Step 6: Final answer
    x = 10,474.36

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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.