Home / 22,126.60-33,228.30-11,758.60

Finding the Fourth Proportional to 22,126.60, 33,228.30 and 11,758.60

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Solution

The fourth proportional to 22,126.60, 33,228.30 and 11,758.60 is: 17,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.60 : 33,228.30 = 11,758.60 : x
  2. Step 2: Convert to fraction form
    22,126.60/33,228.30 = 11,758.60/x
  3. Step 3: Cross multiply
    22,126.60x = 33,228.30 × 11,758.60
  4. Step 4: Simplify right side
    22,126.60x = 390,718,288.38
  5. Step 5: Solve for x
    x = 390,718,288.38/22,126.60
  6. Step 6: Final answer
    x = 17,658.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.