Home / 18,317.68-27,474.29-7,791.93

Finding the Fourth Proportional to 18,317.68, 27,474.29 and 7,791.93

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Solution

The fourth proportional to 18,317.68, 27,474.29 and 7,791.93 is: 11,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.68 : 27,474.29 = 7,791.93 : x
  2. Step 2: Convert to fraction form
    18,317.68/27,474.29 = 7,791.93/x
  3. Step 3: Cross multiply
    18,317.68x = 27,474.29 × 7,791.93
  4. Step 4: Simplify right side
    18,317.68x = 214,077,734.74
  5. Step 5: Solve for x
    x = 214,077,734.74/18,317.68
  6. Step 6: Final answer
    x = 11,686.95

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1.5x scale

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.