Home / 18,293.58-25,243.38-13,516.47

Finding the Fourth Proportional to 18,293.58, 25,243.38 and 13,516.47

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Solution

The fourth proportional to 18,293.58, 25,243.38 and 13,516.47 is: 18,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.58 : 25,243.38 = 13,516.47 : x
  2. Step 2: Convert to fraction form
    18,293.58/25,243.38 = 13,516.47/x
  3. Step 3: Cross multiply
    18,293.58x = 25,243.38 × 13,516.47
  4. Step 4: Simplify right side
    18,293.58x = 341,201,388.47
  5. Step 5: Solve for x
    x = 341,201,388.47/18,293.58
  6. Step 6: Final answer
    x = 18,651.43

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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.