Home / 13,217.06-19,819.14-6,545.84

Finding the Fourth Proportional to 13,217.06, 19,819.14 and 6,545.84

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Solution

The fourth proportional to 13,217.06, 19,819.14 and 6,545.84 is: 9,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.06 : 19,819.14 = 6,545.84 : x
  2. Step 2: Convert to fraction form
    13,217.06/19,819.14 = 6,545.84/x
  3. Step 3: Cross multiply
    13,217.06x = 19,819.14 × 6,545.84
  4. Step 4: Simplify right side
    13,217.06x = 129,732,919.38
  5. Step 5: Solve for x
    x = 129,732,919.38/13,217.06
  6. Step 6: Final answer
    x = 9,815.57

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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.