Home / 11,587.27-17,379.97-3,690.08

Finding the Fourth Proportional to 11,587.27, 17,379.97 and 3,690.08

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Solution

The fourth proportional to 11,587.27, 17,379.97 and 3,690.08 is: 5,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.27 : 17,379.97 = 3,690.08 : x
  2. Step 2: Convert to fraction form
    11,587.27/17,379.97 = 3,690.08/x
  3. Step 3: Cross multiply
    11,587.27x = 17,379.97 × 3,690.08
  4. Step 4: Simplify right side
    11,587.27x = 64,133,479.70
  5. Step 5: Solve for x
    x = 64,133,479.70/11,587.27
  6. Step 6: Final answer
    x = 5,534.82

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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.