Home / 20,133.75-30,177.83-10,252.16

Finding the Fourth Proportional to 20,133.75, 30,177.83 and 10,252.16

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Solution

The fourth proportional to 20,133.75, 30,177.83 and 10,252.16 is: 15,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.75 : 30,177.83 = 10,252.16 : x
  2. Step 2: Convert to fraction form
    20,133.75/30,177.83 = 10,252.16/x
  3. Step 3: Cross multiply
    20,133.75x = 30,177.83 × 10,252.16
  4. Step 4: Simplify right side
    20,133.75x = 309,387,739.46
  5. Step 5: Solve for x
    x = 309,387,739.46/20,133.75
  6. Step 6: Final answer
    x = 15,366.62

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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.