Home / 11,389.97-17,074.80-6,127.81

Finding the Fourth Proportional to 11,389.97, 17,074.80 and 6,127.81

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Solution

The fourth proportional to 11,389.97, 17,074.80 and 6,127.81 is: 9,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.97 : 17,074.80 = 6,127.81 : x
  2. Step 2: Convert to fraction form
    11,389.97/17,074.80 = 6,127.81/x
  3. Step 3: Cross multiply
    11,389.97x = 17,074.80 × 6,127.81
  4. Step 4: Simplify right side
    11,389.97x = 104,631,087.50
  5. Step 5: Solve for x
    x = 104,631,087.50/11,389.97
  6. Step 6: Final answer
    x = 9,186.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.