Home / 20,183.04-30,278.61-7,031.88

Finding the Fourth Proportional to 20,183.04, 30,278.61 and 7,031.88

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Solution

The fourth proportional to 20,183.04, 30,278.61 and 7,031.88 is: 10,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.04 : 30,278.61 = 7,031.88 : x
  2. Step 2: Convert to fraction form
    20,183.04/30,278.61 = 7,031.88/x
  3. Step 3: Cross multiply
    20,183.04x = 30,278.61 × 7,031.88
  4. Step 4: Simplify right side
    20,183.04x = 212,915,365.53
  5. Step 5: Solve for x
    x = 212,915,365.53/20,183.04
  6. Step 6: Final answer
    x = 10,549.22

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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.