Home / 11,325.67-16,989.39-3,005.50

Finding the Fourth Proportional to 11,325.67, 16,989.39 and 3,005.50

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Solution

The fourth proportional to 11,325.67, 16,989.39 and 3,005.50 is: 4,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.67 : 16,989.39 = 3,005.50 : x
  2. Step 2: Convert to fraction form
    11,325.67/16,989.39 = 3,005.50/x
  3. Step 3: Cross multiply
    11,325.67x = 16,989.39 × 3,005.50
  4. Step 4: Simplify right side
    11,325.67x = 51,061,596.62
  5. Step 5: Solve for x
    x = 51,061,596.62/11,325.67
  6. Step 6: Final answer
    x = 4,508.49

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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.