Home / 19,717.34-27,163.68-13,738.16

Finding the Fourth Proportional to 19,717.34, 27,163.68 and 13,738.16

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Solution

The fourth proportional to 19,717.34, 27,163.68 and 13,738.16 is: 18,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.34 : 27,163.68 = 13,738.16 : x
  2. Step 2: Convert to fraction form
    19,717.34/27,163.68 = 13,738.16/x
  3. Step 3: Cross multiply
    19,717.34x = 27,163.68 × 13,738.16
  4. Step 4: Simplify right side
    19,717.34x = 373,178,982.03
  5. Step 5: Solve for x
    x = 373,178,982.03/19,717.34
  6. Step 6: Final answer
    x = 18,926.44

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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.