Home / 14,098.05-19,455.30-7,725.05

Finding the Fourth Proportional to 14,098.05, 19,455.30 and 7,725.05

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Solution

The fourth proportional to 14,098.05, 19,455.30 and 7,725.05 is: 10,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.05 : 19,455.30 = 7,725.05 : x
  2. Step 2: Convert to fraction form
    14,098.05/19,455.30 = 7,725.05/x
  3. Step 3: Cross multiply
    14,098.05x = 19,455.30 × 7,725.05
  4. Step 4: Simplify right side
    14,098.05x = 150,293,067.99
  5. Step 5: Solve for x
    x = 150,293,067.99/14,098.05
  6. Step 6: Final answer
    x = 10,660.56

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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.