Home / 13,410.68-20,117.82-5,093.80

Finding the Fourth Proportional to 13,410.68, 20,117.82 and 5,093.80

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Solution

The fourth proportional to 13,410.68, 20,117.82 and 5,093.80 is: 7,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.68 : 20,117.82 = 5,093.80 : x
  2. Step 2: Convert to fraction form
    13,410.68/20,117.82 = 5,093.80/x
  3. Step 3: Cross multiply
    13,410.68x = 20,117.82 × 5,093.80
  4. Step 4: Simplify right side
    13,410.68x = 102,476,151.52
  5. Step 5: Solve for x
    x = 102,476,151.52/13,410.68
  6. Step 6: Final answer
    x = 7,641.38

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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.