Home / 20,074.67-30,166.47-10,721.19

Finding the Fourth Proportional to 20,074.67, 30,166.47 and 10,721.19

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Solution

The fourth proportional to 20,074.67, 30,166.47 and 10,721.19 is: 16,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.67 : 30,166.47 = 10,721.19 : x
  2. Step 2: Convert to fraction form
    20,074.67/30,166.47 = 10,721.19/x
  3. Step 3: Cross multiply
    20,074.67x = 30,166.47 × 10,721.19
  4. Step 4: Simplify right side
    20,074.67x = 323,420,456.50
  5. Step 5: Solve for x
    x = 323,420,456.50/20,074.67
  6. Step 6: Final answer
    x = 16,110.88

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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.