Home / 18,141.57-27,200.52-7,618.32

Finding the Fourth Proportional to 18,141.57, 27,200.52 and 7,618.32

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Solution

The fourth proportional to 18,141.57, 27,200.52 and 7,618.32 is: 11,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.57 : 27,200.52 = 7,618.32 : x
  2. Step 2: Convert to fraction form
    18,141.57/27,200.52 = 7,618.32/x
  3. Step 3: Cross multiply
    18,141.57x = 27,200.52 × 7,618.32
  4. Step 4: Simplify right side
    18,141.57x = 207,222,265.53
  5. Step 5: Solve for x
    x = 207,222,265.53/18,141.57
  6. Step 6: Final answer
    x = 11,422.51

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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.