Home / 13,777.26-20,667.33-5,880.61

Finding the Fourth Proportional to 13,777.26, 20,667.33 and 5,880.61

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Solution

The fourth proportional to 13,777.26, 20,667.33 and 5,880.61 is: 8,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.26 : 20,667.33 = 5,880.61 : x
  2. Step 2: Convert to fraction form
    13,777.26/20,667.33 = 5,880.61/x
  3. Step 3: Cross multiply
    13,777.26x = 20,667.33 × 5,880.61
  4. Step 4: Simplify right side
    13,777.26x = 121,536,478.07
  5. Step 5: Solve for x
    x = 121,536,478.07/13,777.26
  6. Step 6: Final answer
    x = 8,821.53

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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.