Home / 11,812.44-17,722.97-5,490.24

Finding the Fourth Proportional to 11,812.44, 17,722.97 and 5,490.24

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Solution

The fourth proportional to 11,812.44, 17,722.97 and 5,490.24 is: 8,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.44 : 17,722.97 = 5,490.24 : x
  2. Step 2: Convert to fraction form
    11,812.44/17,722.97 = 5,490.24/x
  3. Step 3: Cross multiply
    11,812.44x = 17,722.97 × 5,490.24
  4. Step 4: Simplify right side
    11,812.44x = 97,303,331.36
  5. Step 5: Solve for x
    x = 97,303,331.36/11,812.44
  6. Step 6: Final answer
    x = 8,237.36

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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.