Home / 21,716.20-32,574.30-11,326.60

Finding the Fourth Proportional to 21,716.20, 32,574.30 and 11,326.60

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Solution

The fourth proportional to 21,716.20, 32,574.30 and 11,326.60 is: 16,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.20 : 32,574.30 = 11,326.60 : x
  2. Step 2: Convert to fraction form
    21,716.20/32,574.30 = 11,326.60/x
  3. Step 3: Cross multiply
    21,716.20x = 32,574.30 × 11,326.60
  4. Step 4: Simplify right side
    21,716.20x = 368,956,066.38
  5. Step 5: Solve for x
    x = 368,956,066.38/21,716.20
  6. Step 6: Final answer
    x = 16,989.90

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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.