Home / 11,325.28-16,989.36-3,533.44

Finding the Fourth Proportional to 11,325.28, 16,989.36 and 3,533.44

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Solution

The fourth proportional to 11,325.28, 16,989.36 and 3,533.44 is: 5,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.28 : 16,989.36 = 3,533.44 : x
  2. Step 2: Convert to fraction form
    11,325.28/16,989.36 = 3,533.44/x
  3. Step 3: Cross multiply
    11,325.28x = 16,989.36 × 3,533.44
  4. Step 4: Simplify right side
    11,325.28x = 60,030,884.20
  5. Step 5: Solve for x
    x = 60,030,884.20/11,325.28
  6. Step 6: Final answer
    x = 5,300.61

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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.