Home / 13,504.82-18,635.75-8,468.82

Finding the Fourth Proportional to 13,504.82, 18,635.75 and 8,468.82

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Solution

The fourth proportional to 13,504.82, 18,635.75 and 8,468.82 is: 11,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.82 : 18,635.75 = 8,468.82 : x
  2. Step 2: Convert to fraction form
    13,504.82/18,635.75 = 8,468.82/x
  3. Step 3: Cross multiply
    13,504.82x = 18,635.75 × 8,468.82
  4. Step 4: Simplify right side
    13,504.82x = 157,822,769.97
  5. Step 5: Solve for x
    x = 157,822,769.97/13,504.82
  6. Step 6: Final answer
    x = 11,686.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.