Home / 18,558.90-27,834.57-6,869.34

Finding the Fourth Proportional to 18,558.90, 27,834.57 and 6,869.34

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Solution

The fourth proportional to 18,558.90, 27,834.57 and 6,869.34 is: 10,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.90 : 27,834.57 = 6,869.34 : x
  2. Step 2: Convert to fraction form
    18,558.90/27,834.57 = 6,869.34/x
  3. Step 3: Cross multiply
    18,558.90x = 27,834.57 × 6,869.34
  4. Step 4: Simplify right side
    18,558.90x = 191,205,125.08
  5. Step 5: Solve for x
    x = 191,205,125.08/18,558.90
  6. Step 6: Final answer
    x = 10,302.61

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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.