Home / 19,244.97-28,872.90-7,404.18

Finding the Fourth Proportional to 19,244.97, 28,872.90 and 7,404.18

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Solution

The fourth proportional to 19,244.97, 28,872.90 and 7,404.18 is: 11,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.97 : 28,872.90 = 7,404.18 : x
  2. Step 2: Convert to fraction form
    19,244.97/28,872.90 = 7,404.18/x
  3. Step 3: Cross multiply
    19,244.97x = 28,872.90 × 7,404.18
  4. Step 4: Simplify right side
    19,244.97x = 213,780,148.72
  5. Step 5: Solve for x
    x = 213,780,148.72/19,244.97
  6. Step 6: Final answer
    x = 11,108.36

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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.