Home / 10,918.41-15,052.15-9,233.06

Finding the Fourth Proportional to 10,918.41, 15,052.15 and 9,233.06

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Solution

The fourth proportional to 10,918.41, 15,052.15 and 9,233.06 is: 12,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.41 : 15,052.15 = 9,233.06 : x
  2. Step 2: Convert to fraction form
    10,918.41/15,052.15 = 9,233.06/x
  3. Step 3: Cross multiply
    10,918.41x = 15,052.15 × 9,233.06
  4. Step 4: Simplify right side
    10,918.41x = 138,977,340.36
  5. Step 5: Solve for x
    x = 138,977,340.36/10,918.41
  6. Step 6: Final answer
    x = 12,728.71

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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.