Home / 13,600.89-20,403.39-4,833.72

Finding the Fourth Proportional to 13,600.89, 20,403.39 and 4,833.72

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Solution

The fourth proportional to 13,600.89, 20,403.39 and 4,833.72 is: 7,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.89 : 20,403.39 = 4,833.72 : x
  2. Step 2: Convert to fraction form
    13,600.89/20,403.39 = 4,833.72/x
  3. Step 3: Cross multiply
    13,600.89x = 20,403.39 × 4,833.72
  4. Step 4: Simplify right side
    13,600.89x = 98,624,274.31
  5. Step 5: Solve for x
    x = 98,624,274.31/13,600.89
  6. Step 6: Final answer
    x = 7,251.31

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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.