Home / 18,092.78-27,140.89-5,612.94

Finding the Fourth Proportional to 18,092.78, 27,140.89 and 5,612.94

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Solution

The fourth proportional to 18,092.78, 27,140.89 and 5,612.94 is: 8,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.78 : 27,140.89 = 5,612.94 : x
  2. Step 2: Convert to fraction form
    18,092.78/27,140.89 = 5,612.94/x
  3. Step 3: Cross multiply
    18,092.78x = 27,140.89 × 5,612.94
  4. Step 4: Simplify right side
    18,092.78x = 152,340,187.12
  5. Step 5: Solve for x
    x = 152,340,187.12/18,092.78
  6. Step 6: Final answer
    x = 8,419.94

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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.