Home / 19,111.63-26,375.39-11,558.28

Finding the Fourth Proportional to 19,111.63, 26,375.39 and 11,558.28

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Solution

The fourth proportional to 19,111.63, 26,375.39 and 11,558.28 is: 15,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.63 : 26,375.39 = 11,558.28 : x
  2. Step 2: Convert to fraction form
    19,111.63/26,375.39 = 11,558.28/x
  3. Step 3: Cross multiply
    19,111.63x = 26,375.39 × 11,558.28
  4. Step 4: Simplify right side
    19,111.63x = 304,854,142.73
  5. Step 5: Solve for x
    x = 304,854,142.73/19,111.63
  6. Step 6: Final answer
    x = 15,951.24

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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.