Home / 17,747.27-26,634.09-8,390.16

Finding the Fourth Proportional to 17,747.27, 26,634.09 and 8,390.16

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Solution

The fourth proportional to 17,747.27, 26,634.09 and 8,390.16 is: 12,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.27 : 26,634.09 = 8,390.16 : x
  2. Step 2: Convert to fraction form
    17,747.27/26,634.09 = 8,390.16/x
  3. Step 3: Cross multiply
    17,747.27x = 26,634.09 × 8,390.16
  4. Step 4: Simplify right side
    17,747.27x = 223,464,143.38
  5. Step 5: Solve for x
    x = 223,464,143.38/17,747.27
  6. Step 6: Final answer
    x = 12,591.47

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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.