Home / 13,195.67-18,209.49-7,893.41

Finding the Fourth Proportional to 13,195.67, 18,209.49 and 7,893.41

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Solution

The fourth proportional to 13,195.67, 18,209.49 and 7,893.41 is: 10,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.67 : 18,209.49 = 7,893.41 : x
  2. Step 2: Convert to fraction form
    13,195.67/18,209.49 = 7,893.41/x
  3. Step 3: Cross multiply
    13,195.67x = 18,209.49 × 7,893.41
  4. Step 4: Simplify right side
    13,195.67x = 143,734,970.46
  5. Step 5: Solve for x
    x = 143,734,970.46/13,195.67
  6. Step 6: Final answer
    x = 10,892.59

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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.