Home / 11,173.80-16,772.85-6,253.05

Finding the Fourth Proportional to 11,173.80, 16,772.85 and 6,253.05

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Solution

The fourth proportional to 11,173.80, 16,772.85 and 6,253.05 is: 9,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.80 : 16,772.85 = 6,253.05 : x
  2. Step 2: Convert to fraction form
    11,173.80/16,772.85 = 6,253.05/x
  3. Step 3: Cross multiply
    11,173.80x = 16,772.85 × 6,253.05
  4. Step 4: Simplify right side
    11,173.80x = 104,881,469.69
  5. Step 5: Solve for x
    x = 104,881,469.69/11,173.80
  6. Step 6: Final answer
    x = 9,386.37

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Double scale
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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.