Home / 16,665.72-24,998.58-4,978.56

Finding the Fourth Proportional to 16,665.72, 24,998.58 and 4,978.56

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Solution

The fourth proportional to 16,665.72, 24,998.58 and 4,978.56 is: 7,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.72 : 24,998.58 = 4,978.56 : x
  2. Step 2: Convert to fraction form
    16,665.72/24,998.58 = 4,978.56/x
  3. Step 3: Cross multiply
    16,665.72x = 24,998.58 × 4,978.56
  4. Step 4: Simplify right side
    16,665.72x = 124,456,930.44
  5. Step 5: Solve for x
    x = 124,456,930.44/16,665.72
  6. Step 6: Final answer
    x = 7,467.84

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1.5x scale

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.