Home / 13,110.24-18,092.17-7,141.96

Finding the Fourth Proportional to 13,110.24, 18,092.17 and 7,141.96

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Solution

The fourth proportional to 13,110.24, 18,092.17 and 7,141.96 is: 9,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.24 : 18,092.17 = 7,141.96 : x
  2. Step 2: Convert to fraction form
    13,110.24/18,092.17 = 7,141.96/x
  3. Step 3: Cross multiply
    13,110.24x = 18,092.17 × 7,141.96
  4. Step 4: Simplify right side
    13,110.24x = 129,213,464.14
  5. Step 5: Solve for x
    x = 129,213,464.14/13,110.24
  6. Step 6: Final answer
    x = 9,855.92

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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.