Home / 13,335.45-20,002.65-3,474.81

Finding the Fourth Proportional to 13,335.45, 20,002.65 and 3,474.81

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Solution

The fourth proportional to 13,335.45, 20,002.65 and 3,474.81 is: 5,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.45 : 20,002.65 = 3,474.81 : x
  2. Step 2: Convert to fraction form
    13,335.45/20,002.65 = 3,474.81/x
  3. Step 3: Cross multiply
    13,335.45x = 20,002.65 × 3,474.81
  4. Step 4: Simplify right side
    13,335.45x = 69,505,408.25
  5. Step 5: Solve for x
    x = 69,505,408.25/13,335.45
  6. Step 6: Final answer
    x = 5,212.08

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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.