Home / 19,907.88-29,863.44-5,676.18

Finding the Fourth Proportional to 19,907.88, 29,863.44 and 5,676.18

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Solution

The fourth proportional to 19,907.88, 29,863.44 and 5,676.18 is: 8,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.88 : 29,863.44 = 5,676.18 : x
  2. Step 2: Convert to fraction form
    19,907.88/29,863.44 = 5,676.18/x
  3. Step 3: Cross multiply
    19,907.88x = 29,863.44 × 5,676.18
  4. Step 4: Simplify right side
    19,907.88x = 169,510,260.86
  5. Step 5: Solve for x
    x = 169,510,260.86/19,907.88
  6. Step 6: Final answer
    x = 8,514.73

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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.