Home / 19,799.92-27,313.54-12,243.84

Finding the Fourth Proportional to 19,799.92, 27,313.54 and 12,243.84

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Solution

The fourth proportional to 19,799.92, 27,313.54 and 12,243.84 is: 16,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.92 : 27,313.54 = 12,243.84 : x
  2. Step 2: Convert to fraction form
    19,799.92/27,313.54 = 12,243.84/x
  3. Step 3: Cross multiply
    19,799.92x = 27,313.54 × 12,243.84
  4. Step 4: Simplify right side
    19,799.92x = 334,422,613.59
  5. Step 5: Solve for x
    x = 334,422,613.59/19,799.92
  6. Step 6: Final answer
    x = 16,890.10

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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.