Home / 9,839.44-13,566.60-8,040.28

Finding the Fourth Proportional to 9,839.44, 13,566.60 and 8,040.28

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Solution

The fourth proportional to 9,839.44, 13,566.60 and 8,040.28 is: 11,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.44 : 13,566.60 = 8,040.28 : x
  2. Step 2: Convert to fraction form
    9,839.44/13,566.60 = 8,040.28/x
  3. Step 3: Cross multiply
    9,839.44x = 13,566.60 × 8,040.28
  4. Step 4: Simplify right side
    9,839.44x = 109,079,262.65
  5. Step 5: Solve for x
    x = 109,079,262.65/9,839.44
  6. Step 6: Final answer
    x = 11,085.92

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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.