Home / 19,893.74-27,444.22-11,505.38

Finding the Fourth Proportional to 19,893.74, 27,444.22 and 11,505.38

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Solution

The fourth proportional to 19,893.74, 27,444.22 and 11,505.38 is: 15,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.74 : 27,444.22 = 11,505.38 : x
  2. Step 2: Convert to fraction form
    19,893.74/27,444.22 = 11,505.38/x
  3. Step 3: Cross multiply
    19,893.74x = 27,444.22 × 11,505.38
  4. Step 4: Simplify right side
    19,893.74x = 315,756,013.92
  5. Step 5: Solve for x
    x = 315,756,013.92/19,893.74
  6. Step 6: Final answer
    x = 15,872.13

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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.