Home / 9,940.58-13,714.11-5,689.36

Finding the Fourth Proportional to 9,940.58, 13,714.11 and 5,689.36

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Solution

The fourth proportional to 9,940.58, 13,714.11 and 5,689.36 is: 7,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.58 : 13,714.11 = 5,689.36 : x
  2. Step 2: Convert to fraction form
    9,940.58/13,714.11 = 5,689.36/x
  3. Step 3: Cross multiply
    9,940.58x = 13,714.11 × 5,689.36
  4. Step 4: Simplify right side
    9,940.58x = 78,024,508.87
  5. Step 5: Solve for x
    x = 78,024,508.87/9,940.58
  6. Step 6: Final answer
    x = 7,849.09

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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.