Home / 23,145.75-34,720.25-9,294.75

Finding the Fourth Proportional to 23,145.75, 34,720.25 and 9,294.75

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Solution

The fourth proportional to 23,145.75, 34,720.25 and 9,294.75 is: 13,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.75 : 34,720.25 = 9,294.75 : x
  2. Step 2: Convert to fraction form
    23,145.75/34,720.25 = 9,294.75/x
  3. Step 3: Cross multiply
    23,145.75x = 34,720.25 × 9,294.75
  4. Step 4: Simplify right side
    23,145.75x = 322,716,043.69
  5. Step 5: Solve for x
    x = 322,716,043.69/23,145.75
  6. Step 6: Final answer
    x = 13,942.78

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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.