Home / 22,759.20-34,134.48-7,964.64

Finding the Fourth Proportional to 22,759.20, 34,134.48 and 7,964.64

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Solution

The fourth proportional to 22,759.20, 34,134.48 and 7,964.64 is: 11,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.20 : 34,134.48 = 7,964.64 : x
  2. Step 2: Convert to fraction form
    22,759.20/34,134.48 = 7,964.64/x
  3. Step 3: Cross multiply
    22,759.20x = 34,134.48 × 7,964.64
  4. Step 4: Simplify right side
    22,759.20x = 271,868,844.79
  5. Step 5: Solve for x
    x = 271,868,844.79/22,759.20
  6. Step 6: Final answer
    x = 11,945.45

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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.