Home / 14,272.36-19,696.62-7,983.64

Finding the Fourth Proportional to 14,272.36, 19,696.62 and 7,983.64

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Solution

The fourth proportional to 14,272.36, 19,696.62 and 7,983.64 is: 11,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.36 : 19,696.62 = 7,983.64 : x
  2. Step 2: Convert to fraction form
    14,272.36/19,696.62 = 7,983.64/x
  3. Step 3: Cross multiply
    14,272.36x = 19,696.62 × 7,983.64
  4. Step 4: Simplify right side
    14,272.36x = 157,250,723.30
  5. Step 5: Solve for x
    x = 157,250,723.30/14,272.36
  6. Step 6: Final answer
    x = 11,017.85

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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.