Home / 18,130.76-27,163.92-7,577.52

Finding the Fourth Proportional to 18,130.76, 27,163.92 and 7,577.52

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Solution

The fourth proportional to 18,130.76, 27,163.92 and 7,577.52 is: 11,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.76 : 27,163.92 = 7,577.52 : x
  2. Step 2: Convert to fraction form
    18,130.76/27,163.92 = 7,577.52/x
  3. Step 3: Cross multiply
    18,130.76x = 27,163.92 × 7,577.52
  4. Step 4: Simplify right side
    18,130.76x = 205,835,147.08
  5. Step 5: Solve for x
    x = 205,835,147.08/18,130.76
  6. Step 6: Final answer
    x = 11,352.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.