Home / 22,017.42-30,383.72-11,945.88

Finding the Fourth Proportional to 22,017.42, 30,383.72 and 11,945.88

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Solution

The fourth proportional to 22,017.42, 30,383.72 and 11,945.88 is: 16,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.42 : 30,383.72 = 11,945.88 : x
  2. Step 2: Convert to fraction form
    22,017.42/30,383.72 = 11,945.88/x
  3. Step 3: Cross multiply
    22,017.42x = 30,383.72 × 11,945.88
  4. Step 4: Simplify right side
    22,017.42x = 362,960,289.30
  5. Step 5: Solve for x
    x = 362,960,289.30/22,017.42
  6. Step 6: Final answer
    x = 16,485.14

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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.