Home / 18,310.59-27,465.93-5,163.03

Finding the Fourth Proportional to 18,310.59, 27,465.93 and 5,163.03

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Solution

The fourth proportional to 18,310.59, 27,465.93 and 5,163.03 is: 7,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.59 : 27,465.93 = 5,163.03 : x
  2. Step 2: Convert to fraction form
    18,310.59/27,465.93 = 5,163.03/x
  3. Step 3: Cross multiply
    18,310.59x = 27,465.93 × 5,163.03
  4. Step 4: Simplify right side
    18,310.59x = 141,807,420.57
  5. Step 5: Solve for x
    x = 141,807,420.57/18,310.59
  6. Step 6: Final answer
    x = 7,744.56

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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.