Home / 13,868.55-20,796.75-4,007.61

Finding the Fourth Proportional to 13,868.55, 20,796.75 and 4,007.61

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Solution

The fourth proportional to 13,868.55, 20,796.75 and 4,007.61 is: 6,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.55 : 20,796.75 = 4,007.61 : x
  2. Step 2: Convert to fraction form
    13,868.55/20,796.75 = 4,007.61/x
  3. Step 3: Cross multiply
    13,868.55x = 20,796.75 × 4,007.61
  4. Step 4: Simplify right side
    13,868.55x = 83,345,263.27
  5. Step 5: Solve for x
    x = 83,345,263.27/13,868.55
  6. Step 6: Final answer
    x = 6,009.66

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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.