Home / 21,716.10-29,968.38-12,284.46

Finding the Fourth Proportional to 21,716.10, 29,968.38 and 12,284.46

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Solution

The fourth proportional to 21,716.10, 29,968.38 and 12,284.46 is: 16,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.10 : 29,968.38 = 12,284.46 : x
  2. Step 2: Convert to fraction form
    21,716.10/29,968.38 = 12,284.46/x
  3. Step 3: Cross multiply
    21,716.10x = 29,968.38 × 12,284.46
  4. Step 4: Simplify right side
    21,716.10x = 368,145,365.37
  5. Step 5: Solve for x
    x = 368,145,365.37/21,716.10
  6. Step 6: Final answer
    x = 16,952.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.