Home / 15,879.20-23,812.70-7,552.80

Finding the Fourth Proportional to 15,879.20, 23,812.70 and 7,552.80

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Solution

The fourth proportional to 15,879.20, 23,812.70 and 7,552.80 is: 11,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.20 : 23,812.70 = 7,552.80 : x
  2. Step 2: Convert to fraction form
    15,879.20/23,812.70 = 7,552.80/x
  3. Step 3: Cross multiply
    15,879.20x = 23,812.70 × 7,552.80
  4. Step 4: Simplify right side
    15,879.20x = 179,852,560.56
  5. Step 5: Solve for x
    x = 179,852,560.56/15,879.20
  6. Step 6: Final answer
    x = 11,326.30

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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.