Home / 11,272.01-16,884.90-6,331.28

Finding the Fourth Proportional to 11,272.01, 16,884.90 and 6,331.28

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Solution

The fourth proportional to 11,272.01, 16,884.90 and 6,331.28 is: 9,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.01 : 16,884.90 = 6,331.28 : x
  2. Step 2: Convert to fraction form
    11,272.01/16,884.90 = 6,331.28/x
  3. Step 3: Cross multiply
    11,272.01x = 16,884.90 × 6,331.28
  4. Step 4: Simplify right side
    11,272.01x = 106,902,945.25
  5. Step 5: Solve for x
    x = 106,902,945.25/11,272.01
  6. Step 6: Final answer
    x = 9,483.93

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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.