Home / 19,682.27-27,161.16-10,729.85

Finding the Fourth Proportional to 19,682.27, 27,161.16 and 10,729.85

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Solution

The fourth proportional to 19,682.27, 27,161.16 and 10,729.85 is: 14,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.27 : 27,161.16 = 10,729.85 : x
  2. Step 2: Convert to fraction form
    19,682.27/27,161.16 = 10,729.85/x
  3. Step 3: Cross multiply
    19,682.27x = 27,161.16 × 10,729.85
  4. Step 4: Simplify right side
    19,682.27x = 291,435,036.82
  5. Step 5: Solve for x
    x = 291,435,036.82/19,682.27
  6. Step 6: Final answer
    x = 14,806.99

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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.