Home / 11,377.44-15,701.20-6,661.28

Finding the Fourth Proportional to 11,377.44, 15,701.20 and 6,661.28

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Solution

The fourth proportional to 11,377.44, 15,701.20 and 6,661.28 is: 9,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.44 : 15,701.20 = 6,661.28 : x
  2. Step 2: Convert to fraction form
    11,377.44/15,701.20 = 6,661.28/x
  3. Step 3: Cross multiply
    11,377.44x = 15,701.20 × 6,661.28
  4. Step 4: Simplify right side
    11,377.44x = 104,590,089.54
  5. Step 5: Solve for x
    x = 104,590,089.54/11,377.44
  6. Step 6: Final answer
    x = 9,192.76

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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.