Home / 11,477.44-15,839.20-6,761.28

Finding the Fourth Proportional to 11,477.44, 15,839.20 and 6,761.28

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Solution

The fourth proportional to 11,477.44, 15,839.20 and 6,761.28 is: 9,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.44 : 15,839.20 = 6,761.28 : x
  2. Step 2: Convert to fraction form
    11,477.44/15,839.20 = 6,761.28/x
  3. Step 3: Cross multiply
    11,477.44x = 15,839.20 × 6,761.28
  4. Step 4: Simplify right side
    11,477.44x = 107,093,266.18
  5. Step 5: Solve for x
    x = 107,093,266.18/11,477.44
  6. Step 6: Final answer
    x = 9,330.76

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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.