Home / 19,862.67-27,406.60-11,367.39

Finding the Fourth Proportional to 19,862.67, 27,406.60 and 11,367.39

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Solution

The fourth proportional to 19,862.67, 27,406.60 and 11,367.39 is: 15,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.67 : 27,406.60 = 11,367.39 : x
  2. Step 2: Convert to fraction form
    19,862.67/27,406.60 = 11,367.39/x
  3. Step 3: Cross multiply
    19,862.67x = 27,406.60 × 11,367.39
  4. Step 4: Simplify right side
    19,862.67x = 311,541,494.91
  5. Step 5: Solve for x
    x = 311,541,494.91/19,862.67
  6. Step 6: Final answer
    x = 15,684.78

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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.