Home / 19,961.08-27,545.69-11,008.58

Finding the Fourth Proportional to 19,961.08, 27,545.69 and 11,008.58

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Solution

The fourth proportional to 19,961.08, 27,545.69 and 11,008.58 is: 15,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.08 : 27,545.69 = 11,008.58 : x
  2. Step 2: Convert to fraction form
    19,961.08/27,545.69 = 11,008.58/x
  3. Step 3: Cross multiply
    19,961.08x = 27,545.69 × 11,008.58
  4. Step 4: Simplify right side
    19,961.08x = 303,238,821.81
  5. Step 5: Solve for x
    x = 303,238,821.81/19,961.08
  6. Step 6: Final answer
    x = 15,191.51

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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.