Home / 19,969.11-27,562.17-12,009.80

Finding the Fourth Proportional to 19,969.11, 27,562.17 and 12,009.80

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Solution

The fourth proportional to 19,969.11, 27,562.17 and 12,009.80 is: 16,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.11 : 27,562.17 = 12,009.80 : x
  2. Step 2: Convert to fraction form
    19,969.11/27,562.17 = 12,009.80/x
  3. Step 3: Cross multiply
    19,969.11x = 27,562.17 × 12,009.80
  4. Step 4: Simplify right side
    19,969.11x = 331,016,263.21
  5. Step 5: Solve for x
    x = 331,016,263.21/19,969.11
  6. Step 6: Final answer
    x = 16,576.42

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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.