Home / 11,132.44-15,360.31-6,826.45

Finding the Fourth Proportional to 11,132.44, 15,360.31 and 6,826.45

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Solution

The fourth proportional to 11,132.44, 15,360.31 and 6,826.45 is: 9,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.44 : 15,360.31 = 6,826.45 : x
  2. Step 2: Convert to fraction form
    11,132.44/15,360.31 = 6,826.45/x
  3. Step 3: Cross multiply
    11,132.44x = 15,360.31 × 6,826.45
  4. Step 4: Simplify right side
    11,132.44x = 104,856,411.13
  5. Step 5: Solve for x
    x = 104,856,411.13/11,132.44
  6. Step 6: Final answer
    x = 9,419.00

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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.