Home / 20,195.71-27,866.00-12,233.31

Finding the Fourth Proportional to 20,195.71, 27,866.00 and 12,233.31

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Solution

The fourth proportional to 20,195.71, 27,866.00 and 12,233.31 is: 16,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.71 : 27,866.00 = 12,233.31 : x
  2. Step 2: Convert to fraction form
    20,195.71/27,866.00 = 12,233.31/x
  3. Step 3: Cross multiply
    20,195.71x = 27,866.00 × 12,233.31
  4. Step 4: Simplify right side
    20,195.71x = 340,893,307.71
  5. Step 5: Solve for x
    x = 340,893,307.71/20,195.71
  6. Step 6: Final answer
    x = 16,879.49

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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.