Home / 20,849.14-31,273.50-9,011.28

Finding the Fourth Proportional to 20,849.14, 31,273.50 and 9,011.28

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Solution

The fourth proportional to 20,849.14, 31,273.50 and 9,011.28 is: 13,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.14 : 31,273.50 = 9,011.28 : x
  2. Step 2: Convert to fraction form
    20,849.14/31,273.50 = 9,011.28/x
  3. Step 3: Cross multiply
    20,849.14x = 31,273.50 × 9,011.28
  4. Step 4: Simplify right side
    20,849.14x = 281,814,265.08
  5. Step 5: Solve for x
    x = 281,814,265.08/20,849.14
  6. Step 6: Final answer
    x = 13,516.83

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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.