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Finding the Fourth Proportional to 22,409.52, 33,619.82 and 9,265.64

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Solution

The fourth proportional to 22,409.52, 33,619.82 and 9,265.64 is: 13,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.52 : 33,619.82 = 9,265.64 : x
  2. Step 2: Convert to fraction form
    22,409.52/33,619.82 = 9,265.64/x
  3. Step 3: Cross multiply
    22,409.52x = 33,619.82 × 9,265.64
  4. Step 4: Simplify right side
    22,409.52x = 311,509,148.98
  5. Step 5: Solve for x
    x = 311,509,148.98/22,409.52
  6. Step 6: Final answer
    x = 13,900.75

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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.