Home / 18,230.54-25,157.79-10,272.60

Finding the Fourth Proportional to 18,230.54, 25,157.79 and 10,272.60

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Solution

The fourth proportional to 18,230.54, 25,157.79 and 10,272.60 is: 14,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.54 : 25,157.79 = 10,272.60 : x
  2. Step 2: Convert to fraction form
    18,230.54/25,157.79 = 10,272.60/x
  3. Step 3: Cross multiply
    18,230.54x = 25,157.79 × 10,272.60
  4. Step 4: Simplify right side
    18,230.54x = 258,435,913.55
  5. Step 5: Solve for x
    x = 258,435,913.55/18,230.54
  6. Step 6: Final answer
    x = 14,175.99

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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.