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Finding the Fourth Proportional to 14,998.75, 22,511.84 and 7,608.31

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Solution

The fourth proportional to 14,998.75, 22,511.84 and 7,608.31 is: 11,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.75 : 22,511.84 = 7,608.31 : x
  2. Step 2: Convert to fraction form
    14,998.75/22,511.84 = 7,608.31/x
  3. Step 3: Cross multiply
    14,998.75x = 22,511.84 × 7,608.31
  4. Step 4: Simplify right side
    14,998.75x = 171,276,963.07
  5. Step 5: Solve for x
    x = 171,276,963.07/14,998.75
  6. Step 6: Final answer
    x = 11,419.42

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1.5x scale

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.