Home / 11,165.43-15,418.67-7,193.43

Finding the Fourth Proportional to 11,165.43, 15,418.67 and 7,193.43

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Solution

The fourth proportional to 11,165.43, 15,418.67 and 7,193.43 is: 9,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.43 : 15,418.67 = 7,193.43 : x
  2. Step 2: Convert to fraction form
    11,165.43/15,418.67 = 7,193.43/x
  3. Step 3: Cross multiply
    11,165.43x = 15,418.67 × 7,193.43
  4. Step 4: Simplify right side
    11,165.43x = 110,913,087.37
  5. Step 5: Solve for x
    x = 110,913,087.37/11,165.43
  6. Step 6: Final answer
    x = 9,933.62

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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.