Home / 21,966.68-30,313.64-11,895.03

Finding the Fourth Proportional to 21,966.68, 30,313.64 and 11,895.03

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Solution

The fourth proportional to 21,966.68, 30,313.64 and 11,895.03 is: 16,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.68 : 30,313.64 = 11,895.03 : x
  2. Step 2: Convert to fraction form
    21,966.68/30,313.64 = 11,895.03/x
  3. Step 3: Cross multiply
    21,966.68x = 30,313.64 × 11,895.03
  4. Step 4: Simplify right side
    21,966.68x = 360,581,597.73
  5. Step 5: Solve for x
    x = 360,581,597.73/21,966.68
  6. Step 6: Final answer
    x = 16,414.94

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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.