Home / 13,550.10-20,356.32-9,611.10

Finding the Fourth Proportional to 13,550.10, 20,356.32 and 9,611.10

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Solution

The fourth proportional to 13,550.10, 20,356.32 and 9,611.10 is: 14,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.10 : 20,356.32 = 9,611.10 : x
  2. Step 2: Convert to fraction form
    13,550.10/20,356.32 = 9,611.10/x
  3. Step 3: Cross multiply
    13,550.10x = 20,356.32 × 9,611.10
  4. Step 4: Simplify right side
    13,550.10x = 195,646,627.15
  5. Step 5: Solve for x
    x = 195,646,627.15/13,550.10
  6. Step 6: Final answer
    x = 14,438.76

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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.