Home / 13,464.33-20,197.17-5,145.07

Finding the Fourth Proportional to 13,464.33, 20,197.17 and 5,145.07

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Solution

The fourth proportional to 13,464.33, 20,197.17 and 5,145.07 is: 7,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.33 : 20,197.17 = 5,145.07 : x
  2. Step 2: Convert to fraction form
    13,464.33/20,197.17 = 5,145.07/x
  3. Step 3: Cross multiply
    13,464.33x = 20,197.17 × 5,145.07
  4. Step 4: Simplify right side
    13,464.33x = 103,915,853.45
  5. Step 5: Solve for x
    x = 103,915,853.45/13,464.33
  6. Step 6: Final answer
    x = 7,717.86

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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.