Home / 19,644.92-27,110.56-11,146.82

Finding the Fourth Proportional to 19,644.92, 27,110.56 and 11,146.82

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Solution

The fourth proportional to 19,644.92, 27,110.56 and 11,146.82 is: 15,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.92 : 27,110.56 = 11,146.82 : x
  2. Step 2: Convert to fraction form
    19,644.92/27,110.56 = 11,146.82/x
  3. Step 3: Cross multiply
    19,644.92x = 27,110.56 × 11,146.82
  4. Step 4: Simplify right side
    19,644.92x = 302,196,532.42
  5. Step 5: Solve for x
    x = 302,196,532.42/19,644.92
  6. Step 6: Final answer
    x = 15,382.94

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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.