Home / 12,700.64-19,053.48-6,131.36

Finding the Fourth Proportional to 12,700.64, 19,053.48 and 6,131.36

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Solution

The fourth proportional to 12,700.64, 19,053.48 and 6,131.36 is: 9,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.64 : 19,053.48 = 6,131.36 : x
  2. Step 2: Convert to fraction form
    12,700.64/19,053.48 = 6,131.36/x
  3. Step 3: Cross multiply
    12,700.64x = 19,053.48 × 6,131.36
  4. Step 4: Simplify right side
    12,700.64x = 116,823,745.13
  5. Step 5: Solve for x
    x = 116,823,745.13/12,700.64
  6. Step 6: Final answer
    x = 9,198.26

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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.