Home / 19,546.75-29,320.13-7,857.23

Finding the Fourth Proportional to 19,546.75, 29,320.13 and 7,857.23

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Solution

The fourth proportional to 19,546.75, 29,320.13 and 7,857.23 is: 11,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546.75 : 29,320.13 = 7,857.23 : x
  2. Step 2: Convert to fraction form
    19,546.75/29,320.13 = 7,857.23/x
  3. Step 3: Cross multiply
    19,546.75x = 29,320.13 × 7,857.23
  4. Step 4: Simplify right side
    19,546.75x = 230,375,039.05
  5. Step 5: Solve for x
    x = 230,375,039.05/19,546.75
  6. Step 6: Final answer
    x = 11,785.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.