Home / 11,079.85-16,629.50-6,155.05

Finding the Fourth Proportional to 11,079.85, 16,629.50 and 6,155.05

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Solution

The fourth proportional to 11,079.85, 16,629.50 and 6,155.05 is: 9,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.85 : 16,629.50 = 6,155.05 : x
  2. Step 2: Convert to fraction form
    11,079.85/16,629.50 = 6,155.05/x
  3. Step 3: Cross multiply
    11,079.85x = 16,629.50 × 6,155.05
  4. Step 4: Simplify right side
    11,079.85x = 102,355,403.98
  5. Step 5: Solve for x
    x = 102,355,403.98/11,079.85
  6. Step 6: Final answer
    x = 9,237.98

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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.