Home / 19,488.58-26,893.14-11,531.54

Finding the Fourth Proportional to 19,488.58, 26,893.14 and 11,531.54

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Solution

The fourth proportional to 19,488.58, 26,893.14 and 11,531.54 is: 15,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.58 : 26,893.14 = 11,531.54 : x
  2. Step 2: Convert to fraction form
    19,488.58/26,893.14 = 11,531.54/x
  3. Step 3: Cross multiply
    19,488.58x = 26,893.14 × 11,531.54
  4. Step 4: Simplify right side
    19,488.58x = 310,119,319.64
  5. Step 5: Solve for x
    x = 310,119,319.64/19,488.58
  6. Step 6: Final answer
    x = 15,912.87

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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.