Home / 18,288.84-27,435.32-7,194.07

Finding the Fourth Proportional to 18,288.84, 27,435.32 and 7,194.07

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Solution

The fourth proportional to 18,288.84, 27,435.32 and 7,194.07 is: 10,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.84 : 27,435.32 = 7,194.07 : x
  2. Step 2: Convert to fraction form
    18,288.84/27,435.32 = 7,194.07/x
  3. Step 3: Cross multiply
    18,288.84x = 27,435.32 × 7,194.07
  4. Step 4: Simplify right side
    18,288.84x = 197,371,612.55
  5. Step 5: Solve for x
    x = 197,371,612.55/18,288.84
  6. Step 6: Final answer
    x = 10,791.92

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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.