Home / 22,017.49-30,383.88-11,945.95

Finding the Fourth Proportional to 22,017.49, 30,383.88 and 11,945.95

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Solution

The fourth proportional to 22,017.49, 30,383.88 and 11,945.95 is: 16,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.49 : 30,383.88 = 11,945.95 : x
  2. Step 2: Convert to fraction form
    22,017.49/30,383.88 = 11,945.95/x
  3. Step 3: Cross multiply
    22,017.49x = 30,383.88 × 11,945.95
  4. Step 4: Simplify right side
    22,017.49x = 362,964,311.29
  5. Step 5: Solve for x
    x = 362,964,311.29/22,017.49
  6. Step 6: Final answer
    x = 16,485.27

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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.