Home / 19,620.33-27,076.73-11,122.35

Finding the Fourth Proportional to 19,620.33, 27,076.73 and 11,122.35

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Solution

The fourth proportional to 19,620.33, 27,076.73 and 11,122.35 is: 15,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.33 : 27,076.73 = 11,122.35 : x
  2. Step 2: Convert to fraction form
    19,620.33/27,076.73 = 11,122.35/x
  3. Step 3: Cross multiply
    19,620.33x = 27,076.73 × 11,122.35
  4. Step 4: Simplify right side
    19,620.33x = 301,156,812.30
  5. Step 5: Solve for x
    x = 301,156,812.30/19,620.33
  6. Step 6: Final answer
    x = 15,349.22

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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.