Home / 13,399.50-20,099.12-5,506.32

Finding the Fourth Proportional to 13,399.50, 20,099.12 and 5,506.32

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Solution

The fourth proportional to 13,399.50, 20,099.12 and 5,506.32 is: 8,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.50 : 20,099.12 = 5,506.32 : x
  2. Step 2: Convert to fraction form
    13,399.50/20,099.12 = 5,506.32/x
  3. Step 3: Cross multiply
    13,399.50x = 20,099.12 × 5,506.32
  4. Step 4: Simplify right side
    13,399.50x = 110,672,158.91
  5. Step 5: Solve for x
    x = 110,672,158.91/13,399.50
  6. Step 6: Final answer
    x = 8,259.42

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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.