Home / 19,179.84-28,758.24-7,498.56

Finding the Fourth Proportional to 19,179.84, 28,758.24 and 7,498.56

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Solution

The fourth proportional to 19,179.84, 28,758.24 and 7,498.56 is: 11,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.84 : 28,758.24 = 7,498.56 : x
  2. Step 2: Convert to fraction form
    19,179.84/28,758.24 = 7,498.56/x
  3. Step 3: Cross multiply
    19,179.84x = 28,758.24 × 7,498.56
  4. Step 4: Simplify right side
    19,179.84x = 215,645,388.13
  5. Step 5: Solve for x
    x = 215,645,388.13/19,179.84
  6. Step 6: Final answer
    x = 11,243.34

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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.