Home / 13,367.25-20,043.51-9,155.36

Finding the Fourth Proportional to 13,367.25, 20,043.51 and 9,155.36

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Solution

The fourth proportional to 13,367.25, 20,043.51 and 9,155.36 is: 13,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.25 : 20,043.51 = 9,155.36 : x
  2. Step 2: Convert to fraction form
    13,367.25/20,043.51 = 9,155.36/x
  3. Step 3: Cross multiply
    13,367.25x = 20,043.51 × 9,155.36
  4. Step 4: Simplify right side
    13,367.25x = 183,505,449.50
  5. Step 5: Solve for x
    x = 183,505,449.50/13,367.25
  6. Step 6: Final answer
    x = 13,727.99

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1.5x scale

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.