Home / 20,189.25-30,302.24-10,335.33

Finding the Fourth Proportional to 20,189.25, 30,302.24 and 10,335.33

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Solution

The fourth proportional to 20,189.25, 30,302.24 and 10,335.33 is: 15,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.25 : 30,302.24 = 10,335.33 : x
  2. Step 2: Convert to fraction form
    20,189.25/30,302.24 = 10,335.33/x
  3. Step 3: Cross multiply
    20,189.25x = 30,302.24 × 10,335.33
  4. Step 4: Simplify right side
    20,189.25x = 313,183,598.46
  5. Step 5: Solve for x
    x = 313,183,598.46/20,189.25
  6. Step 6: Final answer
    x = 15,512.39

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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.