Home / 18,181.53-25,090.38-10,223.73

Finding the Fourth Proportional to 18,181.53, 25,090.38 and 10,223.73

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Solution

The fourth proportional to 18,181.53, 25,090.38 and 10,223.73 is: 14,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.53 : 25,090.38 = 10,223.73 : x
  2. Step 2: Convert to fraction form
    18,181.53/25,090.38 = 10,223.73/x
  3. Step 3: Cross multiply
    18,181.53x = 25,090.38 × 10,223.73
  4. Step 4: Simplify right side
    18,181.53x = 256,517,270.72
  5. Step 5: Solve for x
    x = 256,517,270.72/18,181.53
  6. Step 6: Final answer
    x = 14,108.67

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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.