Home / 13,194.67-18,208.11-7,892.41

Finding the Fourth Proportional to 13,194.67, 18,208.11 and 7,892.41

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Solution

The fourth proportional to 13,194.67, 18,208.11 and 7,892.41 is: 10,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.67 : 18,208.11 = 7,892.41 : x
  2. Step 2: Convert to fraction form
    13,194.67/18,208.11 = 7,892.41/x
  3. Step 3: Cross multiply
    13,194.67x = 18,208.11 × 7,892.41
  4. Step 4: Simplify right side
    13,194.67x = 143,705,869.45
  5. Step 5: Solve for x
    x = 143,705,869.45/13,194.67
  6. Step 6: Final answer
    x = 10,891.21

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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.