Home / 20,239.26-30,367.66-10,868.33

Finding the Fourth Proportional to 20,239.26, 30,367.66 and 10,868.33

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Solution

The fourth proportional to 20,239.26, 30,367.66 and 10,868.33 is: 16,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.26 : 30,367.66 = 10,868.33 : x
  2. Step 2: Convert to fraction form
    20,239.26/30,367.66 = 10,868.33/x
  3. Step 3: Cross multiply
    20,239.26x = 30,367.66 × 10,868.33
  4. Step 4: Simplify right side
    20,239.26x = 330,045,750.21
  5. Step 5: Solve for x
    x = 330,045,750.21/20,239.26
  6. Step 6: Final answer
    x = 16,307.20

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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.