Home / 11,435.24-17,138.72-6,750.50

Finding the Fourth Proportional to 11,435.24, 17,138.72 and 6,750.50

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Solution

The fourth proportional to 11,435.24, 17,138.72 and 6,750.50 is: 10,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.24 : 17,138.72 = 6,750.50 : x
  2. Step 2: Convert to fraction form
    11,435.24/17,138.72 = 6,750.50/x
  3. Step 3: Cross multiply
    11,435.24x = 17,138.72 × 6,750.50
  4. Step 4: Simplify right side
    11,435.24x = 115,694,929.36
  5. Step 5: Solve for x
    x = 115,694,929.36/11,435.24
  6. Step 6: Final answer
    x = 10,117.40

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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.