Home / 11,587.26-15,990.38-6,282.08

Finding the Fourth Proportional to 11,587.26, 15,990.38 and 6,282.08

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Solution

The fourth proportional to 11,587.26, 15,990.38 and 6,282.08 is: 8,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.26 : 15,990.38 = 6,282.08 : x
  2. Step 2: Convert to fraction form
    11,587.26/15,990.38 = 6,282.08/x
  3. Step 3: Cross multiply
    11,587.26x = 15,990.38 × 6,282.08
  4. Step 4: Simplify right side
    11,587.26x = 100,452,766.44
  5. Step 5: Solve for x
    x = 100,452,766.44/11,587.26
  6. Step 6: Final answer
    x = 8,669.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.