Home / 16,665.21-24,997.95-4,978.53

Finding the Fourth Proportional to 16,665.21, 24,997.95 and 4,978.53

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Solution

The fourth proportional to 16,665.21, 24,997.95 and 4,978.53 is: 7,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.21 : 24,997.95 = 4,978.53 : x
  2. Step 2: Convert to fraction form
    16,665.21/24,997.95 = 4,978.53/x
  3. Step 3: Cross multiply
    16,665.21x = 24,997.95 × 4,978.53
  4. Step 4: Simplify right side
    16,665.21x = 124,453,044.01
  5. Step 5: Solve for x
    x = 124,453,044.01/16,665.21
  6. Step 6: Final answer
    x = 7,467.84

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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.