Home / 8,917.09-13,389.12-7,083.07

Finding the Fourth Proportional to 8,917.09, 13,389.12 and 7,083.07

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Solution

The fourth proportional to 8,917.09, 13,389.12 and 7,083.07 is: 10,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.09 : 13,389.12 = 7,083.07 : x
  2. Step 2: Convert to fraction form
    8,917.09/13,389.12 = 7,083.07/x
  3. Step 3: Cross multiply
    8,917.09x = 13,389.12 × 7,083.07
  4. Step 4: Simplify right side
    8,917.09x = 94,836,040.73
  5. Step 5: Solve for x
    x = 94,836,040.73/8,917.09
  6. Step 6: Final answer
    x = 10,635.32

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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.