Home / 20,160.03-27,821.45-11,084.92

Finding the Fourth Proportional to 20,160.03, 27,821.45 and 11,084.92

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Solution

The fourth proportional to 20,160.03, 27,821.45 and 11,084.92 is: 15,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.03 : 27,821.45 = 11,084.92 : x
  2. Step 2: Convert to fraction form
    20,160.03/27,821.45 = 11,084.92/x
  3. Step 3: Cross multiply
    20,160.03x = 27,821.45 × 11,084.92
  4. Step 4: Simplify right side
    20,160.03x = 308,398,638.01
  5. Step 5: Solve for x
    x = 308,398,638.01/20,160.03
  6. Step 6: Final answer
    x = 15,297.53

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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.