Home / 19,403.15-29,080.38-8,296.78

Finding the Fourth Proportional to 19,403.15, 29,080.38 and 8,296.78

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Solution

The fourth proportional to 19,403.15, 29,080.38 and 8,296.78 is: 12,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.15 : 29,080.38 = 8,296.78 : x
  2. Step 2: Convert to fraction form
    19,403.15/29,080.38 = 8,296.78/x
  3. Step 3: Cross multiply
    19,403.15x = 29,080.38 × 8,296.78
  4. Step 4: Simplify right side
    19,403.15x = 241,273,473.69
  5. Step 5: Solve for x
    x = 241,273,473.69/19,403.15
  6. Step 6: Final answer
    x = 12,434.76

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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.