Home / 20,207.62-30,297.66-10,338.85

Finding the Fourth Proportional to 20,207.62, 30,297.66 and 10,338.85

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Solution

The fourth proportional to 20,207.62, 30,297.66 and 10,338.85 is: 15,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.62 : 30,297.66 = 10,338.85 : x
  2. Step 2: Convert to fraction form
    20,207.62/30,297.66 = 10,338.85/x
  3. Step 3: Cross multiply
    20,207.62x = 30,297.66 × 10,338.85
  4. Step 4: Simplify right side
    20,207.62x = 313,242,962.09
  5. Step 5: Solve for x
    x = 313,242,962.09/20,207.62
  6. Step 6: Final answer
    x = 15,501.23

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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.