Home / 13,678.07-20,517.30-9,027.86

Finding the Fourth Proportional to 13,678.07, 20,517.30 and 9,027.86

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Solution

The fourth proportional to 13,678.07, 20,517.30 and 9,027.86 is: 13,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678.07 : 20,517.30 = 9,027.86 : x
  2. Step 2: Convert to fraction form
    13,678.07/20,517.30 = 9,027.86/x
  3. Step 3: Cross multiply
    13,678.07x = 20,517.30 × 9,027.86
  4. Step 4: Simplify right side
    13,678.07x = 185,227,209.39
  5. Step 5: Solve for x
    x = 185,227,209.39/13,678.07
  6. Step 6: Final answer
    x = 13,541.92

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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.