Home / 22,785.54-34,157.43-7,986.39

Finding the Fourth Proportional to 22,785.54, 34,157.43 and 7,986.39

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Solution

The fourth proportional to 22,785.54, 34,157.43 and 7,986.39 is: 11,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.54 : 34,157.43 = 7,986.39 : x
  2. Step 2: Convert to fraction form
    22,785.54/34,157.43 = 7,986.39/x
  3. Step 3: Cross multiply
    22,785.54x = 34,157.43 × 7,986.39
  4. Step 4: Simplify right side
    22,785.54x = 272,794,557.38
  5. Step 5: Solve for x
    x = 272,794,557.38/22,785.54
  6. Step 6: Final answer
    x = 11,972.27

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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.