Home / 20,252.52-27,948.48-11,869

Finding the Fourth Proportional to 20,252.52, 27,948.48 and 11,869

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Solution

The fourth proportional to 20,252.52, 27,948.48 and 11,869 is: 16,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.52 : 27,948.48 = 11,869 : x
  2. Step 2: Convert to fraction form
    20,252.52/27,948.48 = 11,869/x
  3. Step 3: Cross multiply
    20,252.52x = 27,948.48 × 11,869
  4. Step 4: Simplify right side
    20,252.52x = 331,720,509.12
  5. Step 5: Solve for x
    x = 331,720,509.12/20,252.52
  6. Step 6: Final answer
    x = 16,379.22

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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.