Home / 12,582.23-17,363.55-6,917.09

Finding the Fourth Proportional to 12,582.23, 17,363.55 and 6,917.09

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Solution

The fourth proportional to 12,582.23, 17,363.55 and 6,917.09 is: 9,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.23 : 17,363.55 = 6,917.09 : x
  2. Step 2: Convert to fraction form
    12,582.23/17,363.55 = 6,917.09/x
  3. Step 3: Cross multiply
    12,582.23x = 17,363.55 × 6,917.09
  4. Step 4: Simplify right side
    12,582.23x = 120,105,151.25
  5. Step 5: Solve for x
    x = 120,105,151.25/12,582.23
  6. Step 6: Final answer
    x = 9,545.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.