Home / 19,511.85-26,919.72-11,012.97

Finding the Fourth Proportional to 19,511.85, 26,919.72 and 11,012.97

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Solution

The fourth proportional to 19,511.85, 26,919.72 and 11,012.97 is: 15,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.85 : 26,919.72 = 11,012.97 : x
  2. Step 2: Convert to fraction form
    19,511.85/26,919.72 = 11,012.97/x
  3. Step 3: Cross multiply
    19,511.85x = 26,919.72 × 11,012.97
  4. Step 4: Simplify right side
    19,511.85x = 296,466,068.77
  5. Step 5: Solve for x
    x = 296,466,068.77/19,511.85
  6. Step 6: Final answer
    x = 15,194.15

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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.