Home / 20,010.86-27,615.57-11,949.24

Finding the Fourth Proportional to 20,010.86, 27,615.57 and 11,949.24

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Solution

The fourth proportional to 20,010.86, 27,615.57 and 11,949.24 is: 16,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.86 : 27,615.57 = 11,949.24 : x
  2. Step 2: Convert to fraction form
    20,010.86/27,615.57 = 11,949.24/x
  3. Step 3: Cross multiply
    20,010.86x = 27,615.57 × 11,949.24
  4. Step 4: Simplify right side
    20,010.86x = 329,985,073.67
  5. Step 5: Solve for x
    x = 329,985,073.67/20,010.86
  6. Step 6: Final answer
    x = 16,490.30

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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.