Home / 11,124-15,351.12-6,411.02

Finding the Fourth Proportional to 11,124, 15,351.12 and 6,411.02

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Solution

The fourth proportional to 11,124, 15,351.12 and 6,411.02 is: 8,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124 : 15,351.12 = 6,411.02 : x
  2. Step 2: Convert to fraction form
    11,124/15,351.12 = 6,411.02/x
  3. Step 3: Cross multiply
    11,124x = 15,351.12 × 6,411.02
  4. Step 4: Simplify right side
    11,124x = 98,416,260.59
  5. Step 5: Solve for x
    x = 98,416,260.59/11,124
  6. Step 6: Final answer
    x = 8,847.20

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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.