Home / 19,786.80-27,305.78-10,834.86

Finding the Fourth Proportional to 19,786.80, 27,305.78 and 10,834.86

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Solution

The fourth proportional to 19,786.80, 27,305.78 and 10,834.86 is: 14,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.80 : 27,305.78 = 10,834.86 : x
  2. Step 2: Convert to fraction form
    19,786.80/27,305.78 = 10,834.86/x
  3. Step 3: Cross multiply
    19,786.80x = 27,305.78 × 10,834.86
  4. Step 4: Simplify right side
    19,786.80x = 295,854,303.49
  5. Step 5: Solve for x
    x = 295,854,303.49/19,786.80
  6. Step 6: Final answer
    x = 14,952.10

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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.