Home / 18,755.32-25,887.46-11,677.56

Finding the Fourth Proportional to 18,755.32, 25,887.46 and 11,677.56

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Solution

The fourth proportional to 18,755.32, 25,887.46 and 11,677.56 is: 16,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.32 : 25,887.46 = 11,677.56 : x
  2. Step 2: Convert to fraction form
    18,755.32/25,887.46 = 11,677.56/x
  3. Step 3: Cross multiply
    18,755.32x = 25,887.46 × 11,677.56
  4. Step 4: Simplify right side
    18,755.32x = 302,302,367.40
  5. Step 5: Solve for x
    x = 302,302,367.40/18,755.32
  6. Step 6: Final answer
    x = 16,118.22

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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.