Home / 19,104.20-26,357.87-11,140.79

Finding the Fourth Proportional to 19,104.20, 26,357.87 and 11,140.79

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Solution

The fourth proportional to 19,104.20, 26,357.87 and 11,140.79 is: 15,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.20 : 26,357.87 = 11,140.79 : x
  2. Step 2: Convert to fraction form
    19,104.20/26,357.87 = 11,140.79/x
  3. Step 3: Cross multiply
    19,104.20x = 26,357.87 × 11,140.79
  4. Step 4: Simplify right side
    19,104.20x = 293,647,390.58
  5. Step 5: Solve for x
    x = 293,647,390.58/19,104.20
  6. Step 6: Final answer
    x = 15,370.83

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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.