Home / 11,326.55-15,629.00-6,290.82

Finding the Fourth Proportional to 11,326.55, 15,629.00 and 6,290.82

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Solution

The fourth proportional to 11,326.55, 15,629.00 and 6,290.82 is: 8,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.55 : 15,629.00 = 6,290.82 : x
  2. Step 2: Convert to fraction form
    11,326.55/15,629.00 = 6,290.82/x
  3. Step 3: Cross multiply
    11,326.55x = 15,629.00 × 6,290.82
  4. Step 4: Simplify right side
    11,326.55x = 98,319,194.33
  5. Step 5: Solve for x
    x = 98,319,194.33/11,326.55
  6. Step 6: Final answer
    x = 8,680.42

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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.