Home / 18,636.24-25,713.54-17,142.60

Finding the Fourth Proportional to 18,636.24, 25,713.54 and 17,142.60

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Solution

The fourth proportional to 18,636.24, 25,713.54 and 17,142.60 is: 23,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.24 : 25,713.54 = 17,142.60 : x
  2. Step 2: Convert to fraction form
    18,636.24/25,713.54 = 17,142.60/x
  3. Step 3: Cross multiply
    18,636.24x = 25,713.54 × 17,142.60
  4. Step 4: Simplify right side
    18,636.24x = 440,796,930.80
  5. Step 5: Solve for x
    x = 440,796,930.80/18,636.24
  6. Step 6: Final answer
    x = 23,652.68

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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.