Home / 18,558.08-25,610-10,174.56

Finding the Fourth Proportional to 18,558.08, 25,610 and 10,174.56

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Solution

The fourth proportional to 18,558.08, 25,610 and 10,174.56 is: 14,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.08 : 25,610 = 10,174.56 : x
  2. Step 2: Convert to fraction form
    18,558.08/25,610 = 10,174.56/x
  3. Step 3: Cross multiply
    18,558.08x = 25,610 × 10,174.56
  4. Step 4: Simplify right side
    18,558.08x = 260,570,481.60
  5. Step 5: Solve for x
    x = 260,570,481.60/18,558.08
  6. Step 6: Final answer
    x = 14,040.81

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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.