Home / 15,811.68-23,717.44-11,112.32

Finding the Fourth Proportional to 15,811.68, 23,717.44 and 11,112.32

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Solution

The fourth proportional to 15,811.68, 23,717.44 and 11,112.32 is: 16,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.68 : 23,717.44 = 11,112.32 : x
  2. Step 2: Convert to fraction form
    15,811.68/23,717.44 = 11,112.32/x
  3. Step 3: Cross multiply
    15,811.68x = 23,717.44 × 11,112.32
  4. Step 4: Simplify right side
    15,811.68x = 263,555,782.86
  5. Step 5: Solve for x
    x = 263,555,782.86/15,811.68
  6. Step 6: Final answer
    x = 16,668.42

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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.