Home / 19,682.32-27,161.10-10,729.84

Finding the Fourth Proportional to 19,682.32, 27,161.10 and 10,729.84

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Solution

The fourth proportional to 19,682.32, 27,161.10 and 10,729.84 is: 14,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.32 : 27,161.10 = 10,729.84 : x
  2. Step 2: Convert to fraction form
    19,682.32/27,161.10 = 10,729.84/x
  3. Step 3: Cross multiply
    19,682.32x = 27,161.10 × 10,729.84
  4. Step 4: Simplify right side
    19,682.32x = 291,434,257.22
  5. Step 5: Solve for x
    x = 291,434,257.22/19,682.32
  6. Step 6: Final answer
    x = 14,806.91

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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.