Home / 21,608.14-32,412.20-8,464.26

Finding the Fourth Proportional to 21,608.14, 32,412.20 and 8,464.26

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Solution

The fourth proportional to 21,608.14, 32,412.20 and 8,464.26 is: 12,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.14 : 32,412.20 = 8,464.26 : x
  2. Step 2: Convert to fraction form
    21,608.14/32,412.20 = 8,464.26/x
  3. Step 3: Cross multiply
    21,608.14x = 32,412.20 × 8,464.26
  4. Step 4: Simplify right side
    21,608.14x = 274,345,287.97
  5. Step 5: Solve for x
    x = 274,345,287.97/21,608.14
  6. Step 6: Final answer
    x = 12,696.39

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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.