Home / 20,087.03-27,717.20-11,134.53

Finding the Fourth Proportional to 20,087.03, 27,717.20 and 11,134.53

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Solution

The fourth proportional to 20,087.03, 27,717.20 and 11,134.53 is: 15,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.03 : 27,717.20 = 11,134.53 : x
  2. Step 2: Convert to fraction form
    20,087.03/27,717.20 = 11,134.53/x
  3. Step 3: Cross multiply
    20,087.03x = 27,717.20 × 11,134.53
  4. Step 4: Simplify right side
    20,087.03x = 308,617,939.24
  5. Step 5: Solve for x
    x = 308,617,939.24/20,087.03
  6. Step 6: Final answer
    x = 15,364.04

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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.