Home / 18,213.44-25,134.30-10,255.76

Finding the Fourth Proportional to 18,213.44, 25,134.30 and 10,255.76

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Solution

The fourth proportional to 18,213.44, 25,134.30 and 10,255.76 is: 14,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.44 : 25,134.30 = 10,255.76 : x
  2. Step 2: Convert to fraction form
    18,213.44/25,134.30 = 10,255.76/x
  3. Step 3: Cross multiply
    18,213.44x = 25,134.30 × 10,255.76
  4. Step 4: Simplify right side
    18,213.44x = 257,771,348.57
  5. Step 5: Solve for x
    x = 257,771,348.57/18,213.44
  6. Step 6: Final answer
    x = 14,152.81

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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.