Home / 21,517.25-32,268.58-8,187.08

Finding the Fourth Proportional to 21,517.25, 32,268.58 and 8,187.08

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Solution

The fourth proportional to 21,517.25, 32,268.58 and 8,187.08 is: 12,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.25 : 32,268.58 = 8,187.08 : x
  2. Step 2: Convert to fraction form
    21,517.25/32,268.58 = 8,187.08/x
  3. Step 3: Cross multiply
    21,517.25x = 32,268.58 × 8,187.08
  4. Step 4: Simplify right side
    21,517.25x = 264,185,264.14
  5. Step 5: Solve for x
    x = 264,185,264.14/21,517.25
  6. Step 6: Final answer
    x = 12,277.84

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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.