Home / 19,823.79-27,357.78-11,326.83

Finding the Fourth Proportional to 19,823.79, 27,357.78 and 11,326.83

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Solution

The fourth proportional to 19,823.79, 27,357.78 and 11,326.83 is: 15,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.79 : 27,357.78 = 11,326.83 : x
  2. Step 2: Convert to fraction form
    19,823.79/27,357.78 = 11,326.83/x
  3. Step 3: Cross multiply
    19,823.79x = 27,357.78 × 11,326.83
  4. Step 4: Simplify right side
    19,823.79x = 309,876,923.24
  5. Step 5: Solve for x
    x = 309,876,923.24/19,823.79
  6. Step 6: Final answer
    x = 15,631.57

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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.