Home / 19,738.50-27,239.10-10,786.02

Finding the Fourth Proportional to 19,738.50, 27,239.10 and 10,786.02

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Solution

The fourth proportional to 19,738.50, 27,239.10 and 10,786.02 is: 14,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.50 : 27,239.10 = 10,786.02 : x
  2. Step 2: Convert to fraction form
    19,738.50/27,239.10 = 10,786.02/x
  3. Step 3: Cross multiply
    19,738.50x = 27,239.10 × 10,786.02
  4. Step 4: Simplify right side
    19,738.50x = 293,801,477.38
  5. Step 5: Solve for x
    x = 293,801,477.38/19,738.50
  6. Step 6: Final answer
    x = 14,884.69

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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.