Home / 11,152.03-16,728.05-3,360.84

Finding the Fourth Proportional to 11,152.03, 16,728.05 and 3,360.84

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Solution

The fourth proportional to 11,152.03, 16,728.05 and 3,360.84 is: 5,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.03 : 16,728.05 = 3,360.84 : x
  2. Step 2: Convert to fraction form
    11,152.03/16,728.05 = 3,360.84/x
  3. Step 3: Cross multiply
    11,152.03x = 16,728.05 × 3,360.84
  4. Step 4: Simplify right side
    11,152.03x = 56,220,299.56
  5. Step 5: Solve for x
    x = 56,220,299.56/11,152.03
  6. Step 6: Final answer
    x = 5,041.26

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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.