Home / 18,211.44-25,131.73-10,256.22

Finding the Fourth Proportional to 18,211.44, 25,131.73 and 10,256.22

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Solution

The fourth proportional to 18,211.44, 25,131.73 and 10,256.22 is: 14,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.44 : 25,131.73 = 10,256.22 : x
  2. Step 2: Convert to fraction form
    18,211.44/25,131.73 = 10,256.22/x
  3. Step 3: Cross multiply
    18,211.44x = 25,131.73 × 10,256.22
  4. Step 4: Simplify right side
    18,211.44x = 257,756,551.86
  5. Step 5: Solve for x
    x = 257,756,551.86/18,211.44
  6. Step 6: Final answer
    x = 14,153.55

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Half scale
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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.