Home / 16,835.78-25,251.24-5,145.86

Finding the Fourth Proportional to 16,835.78, 25,251.24 and 5,145.86

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Solution

The fourth proportional to 16,835.78, 25,251.24 and 5,145.86 is: 7,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.78 : 25,251.24 = 5,145.86 : x
  2. Step 2: Convert to fraction form
    16,835.78/25,251.24 = 5,145.86/x
  3. Step 3: Cross multiply
    16,835.78x = 25,251.24 × 5,145.86
  4. Step 4: Simplify right side
    16,835.78x = 129,939,345.87
  5. Step 5: Solve for x
    x = 129,939,345.87/16,835.78
  6. Step 6: Final answer
    x = 7,718.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.