Home / 19,800.12-27,324.15-11,842.34

Finding the Fourth Proportional to 19,800.12, 27,324.15 and 11,842.34

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Solution

The fourth proportional to 19,800.12, 27,324.15 and 11,842.34 is: 16,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.12 : 27,324.15 = 11,842.34 : x
  2. Step 2: Convert to fraction form
    19,800.12/27,324.15 = 11,842.34/x
  3. Step 3: Cross multiply
    19,800.12x = 27,324.15 × 11,842.34
  4. Step 4: Simplify right side
    19,800.12x = 323,581,874.51
  5. Step 5: Solve for x
    x = 323,581,874.51/19,800.12
  6. Step 6: Final answer
    x = 16,342.42

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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.