Home / 18,358.92-27,539.73-5,212.35

Finding the Fourth Proportional to 18,358.92, 27,539.73 and 5,212.35

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Solution

The fourth proportional to 18,358.92, 27,539.73 and 5,212.35 is: 7,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.92 : 27,539.73 = 5,212.35 : x
  2. Step 2: Convert to fraction form
    18,358.92/27,539.73 = 5,212.35/x
  3. Step 3: Cross multiply
    18,358.92x = 27,539.73 × 5,212.35
  4. Step 4: Simplify right side
    18,358.92x = 143,546,711.67
  5. Step 5: Solve for x
    x = 143,546,711.67/18,358.92
  6. Step 6: Final answer
    x = 7,818.91

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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.