Home / 19,610.10-27,067.77-12,900.87

Finding the Fourth Proportional to 19,610.10, 27,067.77 and 12,900.87

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Solution

The fourth proportional to 19,610.10, 27,067.77 and 12,900.87 is: 17,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.10 : 27,067.77 = 12,900.87 : x
  2. Step 2: Convert to fraction form
    19,610.10/27,067.77 = 12,900.87/x
  3. Step 3: Cross multiply
    19,610.10x = 27,067.77 × 12,900.87
  4. Step 4: Simplify right side
    19,610.10x = 349,197,781.96
  5. Step 5: Solve for x
    x = 349,197,781.96/19,610.10
  6. Step 6: Final answer
    x = 17,807.04

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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.