Home / 16,135.21-24,206.17-8,134.47

Finding the Fourth Proportional to 16,135.21, 24,206.17 and 8,134.47

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Solution

The fourth proportional to 16,135.21, 24,206.17 and 8,134.47 is: 12,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.21 : 24,206.17 = 8,134.47 : x
  2. Step 2: Convert to fraction form
    16,135.21/24,206.17 = 8,134.47/x
  3. Step 3: Cross multiply
    16,135.21x = 24,206.17 × 8,134.47
  4. Step 4: Simplify right side
    16,135.21x = 196,904,363.68
  5. Step 5: Solve for x
    x = 196,904,363.68/16,135.21
  6. Step 6: Final answer
    x = 12,203.40

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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.