Home / 20,057.16-30,083.26-10,203.52

Finding the Fourth Proportional to 20,057.16, 30,083.26 and 10,203.52

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Solution

The fourth proportional to 20,057.16, 30,083.26 and 10,203.52 is: 15,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.16 : 30,083.26 = 10,203.52 : x
  2. Step 2: Convert to fraction form
    20,057.16/30,083.26 = 10,203.52/x
  3. Step 3: Cross multiply
    20,057.16x = 30,083.26 × 10,203.52
  4. Step 4: Simplify right side
    20,057.16x = 306,955,145.08
  5. Step 5: Solve for x
    x = 306,955,145.08/20,057.16
  6. Step 6: Final answer
    x = 15,304.02

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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.