Home / 18,171.99-27,260.82-5,689.49

Finding the Fourth Proportional to 18,171.99, 27,260.82 and 5,689.49

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Solution

The fourth proportional to 18,171.99, 27,260.82 and 5,689.49 is: 8,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.99 : 27,260.82 = 5,689.49 : x
  2. Step 2: Convert to fraction form
    18,171.99/27,260.82 = 5,689.49/x
  3. Step 3: Cross multiply
    18,171.99x = 27,260.82 × 5,689.49
  4. Step 4: Simplify right side
    18,171.99x = 155,100,026.48
  5. Step 5: Solve for x
    x = 155,100,026.48/18,171.99
  6. Step 6: Final answer
    x = 8,535.12

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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.