Home / 20,221.67-30,346.18-7,074.16

Finding the Fourth Proportional to 20,221.67, 30,346.18 and 7,074.16

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Solution

The fourth proportional to 20,221.67, 30,346.18 and 7,074.16 is: 10,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.67 : 30,346.18 = 7,074.16 : x
  2. Step 2: Convert to fraction form
    20,221.67/30,346.18 = 7,074.16/x
  3. Step 3: Cross multiply
    20,221.67x = 30,346.18 × 7,074.16
  4. Step 4: Simplify right side
    20,221.67x = 214,673,639.16
  5. Step 5: Solve for x
    x = 214,673,639.16/20,221.67
  6. Step 6: Final answer
    x = 10,616.02

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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.