Home / 20,126.73-30,186.64-5,337.14

Finding the Fourth Proportional to 20,126.73, 30,186.64 and 5,337.14

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Solution

The fourth proportional to 20,126.73, 30,186.64 and 5,337.14 is: 8,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.73 : 30,186.64 = 5,337.14 : x
  2. Step 2: Convert to fraction form
    20,126.73/30,186.64 = 5,337.14/x
  3. Step 3: Cross multiply
    20,126.73x = 30,186.64 × 5,337.14
  4. Step 4: Simplify right side
    20,126.73x = 161,110,323.81
  5. Step 5: Solve for x
    x = 161,110,323.81/20,126.73
  6. Step 6: Final answer
    x = 8,004.79

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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.