Home / 19,789.92-29,626.56-11,012.76

Finding the Fourth Proportional to 19,789.92, 29,626.56 and 11,012.76

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Solution

The fourth proportional to 19,789.92, 29,626.56 and 11,012.76 is: 16,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.92 : 29,626.56 = 11,012.76 : x
  2. Step 2: Convert to fraction form
    19,789.92/29,626.56 = 11,012.76/x
  3. Step 3: Cross multiply
    19,789.92x = 29,626.56 × 11,012.76
  4. Step 4: Simplify right side
    19,789.92x = 326,270,194.91
  5. Step 5: Solve for x
    x = 326,270,194.91/19,789.92
  6. Step 6: Final answer
    x = 16,486.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.