Home / 13,358.25-20,037.65-3,498.39

Finding the Fourth Proportional to 13,358.25, 20,037.65 and 3,498.39

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Solution

The fourth proportional to 13,358.25, 20,037.65 and 3,498.39 is: 5,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.25 : 20,037.65 = 3,498.39 : x
  2. Step 2: Convert to fraction form
    13,358.25/20,037.65 = 3,498.39/x
  3. Step 3: Cross multiply
    13,358.25x = 20,037.65 × 3,498.39
  4. Step 4: Simplify right side
    13,358.25x = 70,099,496.89
  5. Step 5: Solve for x
    x = 70,099,496.89/13,358.25
  6. Step 6: Final answer
    x = 5,247.66

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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.