Home / 20,133.17-30,201.86-6,807.73

Finding the Fourth Proportional to 20,133.17, 30,201.86 and 6,807.73

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Solution

The fourth proportional to 20,133.17, 30,201.86 and 6,807.73 is: 10,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.17 : 30,201.86 = 6,807.73 : x
  2. Step 2: Convert to fraction form
    20,133.17/30,201.86 = 6,807.73/x
  3. Step 3: Cross multiply
    20,133.17x = 30,201.86 × 6,807.73
  4. Step 4: Simplify right side
    20,133.17x = 205,606,108.38
  5. Step 5: Solve for x
    x = 205,606,108.38/20,133.17
  6. Step 6: Final answer
    x = 10,212.31

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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.