Home / 18,228.84-27,343.29-5,081.58

Finding the Fourth Proportional to 18,228.84, 27,343.29 and 5,081.58

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Solution

The fourth proportional to 18,228.84, 27,343.29 and 5,081.58 is: 7,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.84 : 27,343.29 = 5,081.58 : x
  2. Step 2: Convert to fraction form
    18,228.84/27,343.29 = 5,081.58/x
  3. Step 3: Cross multiply
    18,228.84x = 27,343.29 × 5,081.58
  4. Step 4: Simplify right side
    18,228.84x = 138,947,115.60
  5. Step 5: Solve for x
    x = 138,947,115.60/18,228.84
  6. Step 6: Final answer
    x = 7,622.38

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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.