Home / 19,786.48-27,306.66-11,403.52

Finding the Fourth Proportional to 19,786.48, 27,306.66 and 11,403.52

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Solution

The fourth proportional to 19,786.48, 27,306.66 and 11,403.52 is: 15,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.48 : 27,306.66 = 11,403.52 : x
  2. Step 2: Convert to fraction form
    19,786.48/27,306.66 = 11,403.52/x
  3. Step 3: Cross multiply
    19,786.48x = 27,306.66 × 11,403.52
  4. Step 4: Simplify right side
    19,786.48x = 311,392,043.44
  5. Step 5: Solve for x
    x = 311,392,043.44/19,786.48
  6. Step 6: Final answer
    x = 15,737.62

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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.