Home / 13,789.68-20,671.70-5,022.60

Finding the Fourth Proportional to 13,789.68, 20,671.70 and 5,022.60

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Solution

The fourth proportional to 13,789.68, 20,671.70 and 5,022.60 is: 7,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.68 : 20,671.70 = 5,022.60 : x
  2. Step 2: Convert to fraction form
    13,789.68/20,671.70 = 5,022.60/x
  3. Step 3: Cross multiply
    13,789.68x = 20,671.70 × 5,022.60
  4. Step 4: Simplify right side
    13,789.68x = 103,825,655.31
  5. Step 5: Solve for x
    x = 103,825,655.31/13,789.68
  6. Step 6: Final answer
    x = 7,529.23

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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.