Home / 15,729.49-23,608.82-7,943.77

Finding the Fourth Proportional to 15,729.49, 23,608.82 and 7,943.77

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Solution

The fourth proportional to 15,729.49, 23,608.82 and 7,943.77 is: 11,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.49 : 23,608.82 = 7,943.77 : x
  2. Step 2: Convert to fraction form
    15,729.49/23,608.82 = 7,943.77/x
  3. Step 3: Cross multiply
    15,729.49x = 23,608.82 × 7,943.77
  4. Step 4: Simplify right side
    15,729.49x = 187,543,036.05
  5. Step 5: Solve for x
    x = 187,543,036.05/15,729.49
  6. Step 6: Final answer
    x = 11,923.02

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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.