Home / 34,198.08-51,284.78-13,127.28

Finding the Fourth Proportional to 34,198.08, 51,284.78 and 13,127.28

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Solution

The fourth proportional to 34,198.08, 51,284.78 and 13,127.28 is: 19,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,198.08 : 51,284.78 = 13,127.28 : x
  2. Step 2: Convert to fraction form
    34,198.08/51,284.78 = 13,127.28/x
  3. Step 3: Cross multiply
    34,198.08x = 51,284.78 × 13,127.28
  4. Step 4: Simplify right side
    34,198.08x = 673,229,666.80
  5. Step 5: Solve for x
    x = 673,229,666.80/34,198.08
  6. Step 6: Final answer
    x = 19,686.18

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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.