Home / 13,674.25-20,513.36-4,311.10

Finding the Fourth Proportional to 13,674.25, 20,513.36 and 4,311.10

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Solution

The fourth proportional to 13,674.25, 20,513.36 and 4,311.10 is: 6,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.25 : 20,513.36 = 4,311.10 : x
  2. Step 2: Convert to fraction form
    13,674.25/20,513.36 = 4,311.10/x
  3. Step 3: Cross multiply
    13,674.25x = 20,513.36 × 4,311.10
  4. Step 4: Simplify right side
    13,674.25x = 88,435,146.30
  5. Step 5: Solve for x
    x = 88,435,146.30/13,674.25
  6. Step 6: Final answer
    x = 6,467.28

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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.