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Finding the Fourth Proportional to 15,759.67, 23,640.15 and 7,334.08

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Solution

The fourth proportional to 15,759.67, 23,640.15 and 7,334.08 is: 11,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.67 : 23,640.15 = 7,334.08 : x
  2. Step 2: Convert to fraction form
    15,759.67/23,640.15 = 7,334.08/x
  3. Step 3: Cross multiply
    15,759.67x = 23,640.15 × 7,334.08
  4. Step 4: Simplify right side
    15,759.67x = 173,378,751.31
  5. Step 5: Solve for x
    x = 173,378,751.31/15,759.67
  6. Step 6: Final answer
    x = 11,001.42

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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.