Home / 15,255.54-22,879.67-11,143.98

Finding the Fourth Proportional to 15,255.54, 22,879.67 and 11,143.98

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Solution

The fourth proportional to 15,255.54, 22,879.67 and 11,143.98 is: 16,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.54 : 22,879.67 = 11,143.98 : x
  2. Step 2: Convert to fraction form
    15,255.54/22,879.67 = 11,143.98/x
  3. Step 3: Cross multiply
    15,255.54x = 22,879.67 × 11,143.98
  4. Step 4: Simplify right side
    15,255.54x = 254,970,529.17
  5. Step 5: Solve for x
    x = 254,970,529.17/15,255.54
  6. Step 6: Final answer
    x = 16,713.31

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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.