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Finding the Fourth Proportional to 15,084.80, 22,634.04 and 6,321.68

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Solution

The fourth proportional to 15,084.80, 22,634.04 and 6,321.68 is: 9,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.80 : 22,634.04 = 6,321.68 : x
  2. Step 2: Convert to fraction form
    15,084.80/22,634.04 = 6,321.68/x
  3. Step 3: Cross multiply
    15,084.80x = 22,634.04 × 6,321.68
  4. Step 4: Simplify right side
    15,084.80x = 143,085,157.99
  5. Step 5: Solve for x
    x = 143,085,157.99/15,084.80
  6. Step 6: Final answer
    x = 9,485.39

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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.