Home / 18,213.73-25,135.41-10,256.25

Finding the Fourth Proportional to 18,213.73, 25,135.41 and 10,256.25

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Solution

The fourth proportional to 18,213.73, 25,135.41 and 10,256.25 is: 14,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.73 : 25,135.41 = 10,256.25 : x
  2. Step 2: Convert to fraction form
    18,213.73/25,135.41 = 10,256.25/x
  3. Step 3: Cross multiply
    18,213.73x = 25,135.41 × 10,256.25
  4. Step 4: Simplify right side
    18,213.73x = 257,795,181.53
  5. Step 5: Solve for x
    x = 257,795,181.53/18,213.73
  6. Step 6: Final answer
    x = 14,153.89

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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.