Home / 10,872.36-15,004.44-6,892.02

Finding the Fourth Proportional to 10,872.36, 15,004.44 and 6,892.02

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Solution

The fourth proportional to 10,872.36, 15,004.44 and 6,892.02 is: 9,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.36 : 15,004.44 = 6,892.02 : x
  2. Step 2: Convert to fraction form
    10,872.36/15,004.44 = 6,892.02/x
  3. Step 3: Cross multiply
    10,872.36x = 15,004.44 × 6,892.02
  4. Step 4: Simplify right side
    10,872.36x = 103,410,900.57
  5. Step 5: Solve for x
    x = 103,410,900.57/10,872.36
  6. Step 6: Final answer
    x = 9,511.36

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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.