Home / 19,824-27,354.61-10,869.15

Finding the Fourth Proportional to 19,824, 27,354.61 and 10,869.15

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Solution

The fourth proportional to 19,824, 27,354.61 and 10,869.15 is: 14,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824 : 27,354.61 = 10,869.15 : x
  2. Step 2: Convert to fraction form
    19,824/27,354.61 = 10,869.15/x
  3. Step 3: Cross multiply
    19,824x = 27,354.61 × 10,869.15
  4. Step 4: Simplify right side
    19,824x = 297,321,332.11
  5. Step 5: Solve for x
    x = 297,321,332.11/19,824
  6. Step 6: Final answer
    x = 14,998.05

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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.