Home / 9,688.37-14,520.39-4,135.20

Finding the Fourth Proportional to 9,688.37, 14,520.39 and 4,135.20

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Solution

The fourth proportional to 9,688.37, 14,520.39 and 4,135.20 is: 6,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.37 : 14,520.39 = 4,135.20 : x
  2. Step 2: Convert to fraction form
    9,688.37/14,520.39 = 4,135.20/x
  3. Step 3: Cross multiply
    9,688.37x = 14,520.39 × 4,135.20
  4. Step 4: Simplify right side
    9,688.37x = 60,044,716.73
  5. Step 5: Solve for x
    x = 60,044,716.73/9,688.37
  6. Step 6: Final answer
    x = 6,197.61

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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.