Home / 12,998.10-19,497.15-11,029.80

Finding the Fourth Proportional to 12,998.10, 19,497.15 and 11,029.80

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Solution

The fourth proportional to 12,998.10, 19,497.15 and 11,029.80 is: 16,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.10 : 19,497.15 = 11,029.80 : x
  2. Step 2: Convert to fraction form
    12,998.10/19,497.15 = 11,029.80/x
  3. Step 3: Cross multiply
    12,998.10x = 19,497.15 × 11,029.80
  4. Step 4: Simplify right side
    12,998.10x = 215,049,665.07
  5. Step 5: Solve for x
    x = 215,049,665.07/12,998.10
  6. Step 6: Final answer
    x = 16,544.70

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Similar ratio
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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.