Home / 13,513.97-20,270.95-6,118.26

Finding the Fourth Proportional to 13,513.97, 20,270.95 and 6,118.26

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Solution

The fourth proportional to 13,513.97, 20,270.95 and 6,118.26 is: 9,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.97 : 20,270.95 = 6,118.26 : x
  2. Step 2: Convert to fraction form
    13,513.97/20,270.95 = 6,118.26/x
  3. Step 3: Cross multiply
    13,513.97x = 20,270.95 × 6,118.26
  4. Step 4: Simplify right side
    13,513.97x = 124,022,942.55
  5. Step 5: Solve for x
    x = 124,022,942.55/13,513.97
  6. Step 6: Final answer
    x = 9,177.39

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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.