Home / 18,388.11-27,585.81-6,709.53

Finding the Fourth Proportional to 18,388.11, 27,585.81 and 6,709.53

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Solution

The fourth proportional to 18,388.11, 27,585.81 and 6,709.53 is: 10,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.11 : 27,585.81 = 6,709.53 : x
  2. Step 2: Convert to fraction form
    18,388.11/27,585.81 = 6,709.53/x
  3. Step 3: Cross multiply
    18,388.11x = 27,585.81 × 6,709.53
  4. Step 4: Simplify right side
    18,388.11x = 185,087,819.77
  5. Step 5: Solve for x
    x = 185,087,819.77/18,388.11
  6. Step 6: Final answer
    x = 10,065.63

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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.