Home / 11,088.16-15,297.96-6,611.29

Finding the Fourth Proportional to 11,088.16, 15,297.96 and 6,611.29

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Solution

The fourth proportional to 11,088.16, 15,297.96 and 6,611.29 is: 9,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.16 : 15,297.96 = 6,611.29 : x
  2. Step 2: Convert to fraction form
    11,088.16/15,297.96 = 6,611.29/x
  3. Step 3: Cross multiply
    11,088.16x = 15,297.96 × 6,611.29
  4. Step 4: Simplify right side
    11,088.16x = 101,139,249.97
  5. Step 5: Solve for x
    x = 101,139,249.97/11,088.16
  6. Step 6: Final answer
    x = 9,121.37

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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.