Home / 22,182.08-30,617.92-13,235.84

Finding the Fourth Proportional to 22,182.08, 30,617.92 and 13,235.84

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Solution

The fourth proportional to 22,182.08, 30,617.92 and 13,235.84 is: 18,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.08 : 30,617.92 = 13,235.84 : x
  2. Step 2: Convert to fraction form
    22,182.08/30,617.92 = 13,235.84/x
  3. Step 3: Cross multiply
    22,182.08x = 30,617.92 × 13,235.84
  4. Step 4: Simplify right side
    22,182.08x = 405,253,890.25
  5. Step 5: Solve for x
    x = 405,253,890.25/22,182.08
  6. Step 6: Final answer
    x = 18,269.43

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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.