Home / 19,961.92-27,545.92-11,009.76

Finding the Fourth Proportional to 19,961.92, 27,545.92 and 11,009.76

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Solution

The fourth proportional to 19,961.92, 27,545.92 and 11,009.76 is: 15,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.92 : 27,545.92 = 11,009.76 : x
  2. Step 2: Convert to fraction form
    19,961.92/27,545.92 = 11,009.76/x
  3. Step 3: Cross multiply
    19,961.92x = 27,545.92 × 11,009.76
  4. Step 4: Simplify right side
    19,961.92x = 303,273,968.18
  5. Step 5: Solve for x
    x = 303,273,968.18/19,961.92
  6. Step 6: Final answer
    x = 15,192.63

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1.5x scale

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.