Home / 20,843.35-31,225.79-10,301.11

Finding the Fourth Proportional to 20,843.35, 31,225.79 and 10,301.11

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Solution

The fourth proportional to 20,843.35, 31,225.79 and 10,301.11 is: 15,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.35 : 31,225.79 = 10,301.11 : x
  2. Step 2: Convert to fraction form
    20,843.35/31,225.79 = 10,301.11/x
  3. Step 3: Cross multiply
    20,843.35x = 31,225.79 × 10,301.11
  4. Step 4: Simplify right side
    20,843.35x = 321,660,245.32
  5. Step 5: Solve for x
    x = 321,660,245.32/20,843.35
  6. Step 6: Final answer
    x = 15,432.27

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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.