Home / 20,163.18-30,227.45-7,013.82

Finding the Fourth Proportional to 20,163.18, 30,227.45 and 7,013.82

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Solution

The fourth proportional to 20,163.18, 30,227.45 and 7,013.82 is: 10,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.18 : 30,227.45 = 7,013.82 : x
  2. Step 2: Convert to fraction form
    20,163.18/30,227.45 = 7,013.82/x
  3. Step 3: Cross multiply
    20,163.18x = 30,227.45 × 7,013.82
  4. Step 4: Simplify right side
    20,163.18x = 212,009,858.29
  5. Step 5: Solve for x
    x = 212,009,858.29/20,163.18
  6. Step 6: Final answer
    x = 10,514.70

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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.