Home / 13,544.70-18,703.22-8,517.33

Finding the Fourth Proportional to 13,544.70, 18,703.22 and 8,517.33

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Solution

The fourth proportional to 13,544.70, 18,703.22 and 8,517.33 is: 11,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.70 : 18,703.22 = 8,517.33 : x
  2. Step 2: Convert to fraction form
    13,544.70/18,703.22 = 8,517.33/x
  3. Step 3: Cross multiply
    13,544.70x = 18,703.22 × 8,517.33
  4. Step 4: Simplify right side
    13,544.70x = 159,301,496.80
  5. Step 5: Solve for x
    x = 159,301,496.80/13,544.70
  6. Step 6: Final answer
    x = 11,761.17

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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.