Home / 18,557.92-25,610.10-10,174.42

Finding the Fourth Proportional to 18,557.92, 25,610.10 and 10,174.42

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Solution

The fourth proportional to 18,557.92, 25,610.10 and 10,174.42 is: 14,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.92 : 25,610.10 = 10,174.42 : x
  2. Step 2: Convert to fraction form
    18,557.92/25,610.10 = 10,174.42/x
  3. Step 3: Cross multiply
    18,557.92x = 25,610.10 × 10,174.42
  4. Step 4: Simplify right side
    18,557.92x = 260,567,913.64
  5. Step 5: Solve for x
    x = 260,567,913.64/18,557.92
  6. Step 6: Final answer
    x = 14,040.79

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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.