Home / 21,249.54-31,894.56-10,162.26

Finding the Fourth Proportional to 21,249.54, 31,894.56 and 10,162.26

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Solution

The fourth proportional to 21,249.54, 31,894.56 and 10,162.26 is: 15,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.54 : 31,894.56 = 10,162.26 : x
  2. Step 2: Convert to fraction form
    21,249.54/31,894.56 = 10,162.26/x
  3. Step 3: Cross multiply
    21,249.54x = 31,894.56 × 10,162.26
  4. Step 4: Simplify right side
    21,249.54x = 324,120,811.31
  5. Step 5: Solve for x
    x = 324,120,811.31/21,249.54
  6. Step 6: Final answer
    x = 15,253.07

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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.