Home / 11,153.30-16,728.42-6,164.91

Finding the Fourth Proportional to 11,153.30, 16,728.42 and 6,164.91

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Solution

The fourth proportional to 11,153.30, 16,728.42 and 6,164.91 is: 9,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.30 : 16,728.42 = 6,164.91 : x
  2. Step 2: Convert to fraction form
    11,153.30/16,728.42 = 6,164.91/x
  3. Step 3: Cross multiply
    11,153.30x = 16,728.42 × 6,164.91
  4. Step 4: Simplify right side
    11,153.30x = 103,129,226.86
  5. Step 5: Solve for x
    x = 103,129,226.86/11,153.30
  6. Step 6: Final answer
    x = 9,246.53

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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.