Home / 19,324.71-26,660.38-11,257.16

Finding the Fourth Proportional to 19,324.71, 26,660.38 and 11,257.16

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Solution

The fourth proportional to 19,324.71, 26,660.38 and 11,257.16 is: 15,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.71 : 26,660.38 = 11,257.16 : x
  2. Step 2: Convert to fraction form
    19,324.71/26,660.38 = 11,257.16/x
  3. Step 3: Cross multiply
    19,324.71x = 26,660.38 × 11,257.16
  4. Step 4: Simplify right side
    19,324.71x = 300,120,087.76
  5. Step 5: Solve for x
    x = 300,120,087.76/19,324.71
  6. Step 6: Final answer
    x = 15,530.38

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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.