Home / 12,110.88-18,164.16-5,537.28

Finding the Fourth Proportional to 12,110.88, 18,164.16 and 5,537.28

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Solution

The fourth proportional to 12,110.88, 18,164.16 and 5,537.28 is: 8,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.88 : 18,164.16 = 5,537.28 : x
  2. Step 2: Convert to fraction form
    12,110.88/18,164.16 = 5,537.28/x
  3. Step 3: Cross multiply
    12,110.88x = 18,164.16 × 5,537.28
  4. Step 4: Simplify right side
    12,110.88x = 100,580,039.88
  5. Step 5: Solve for x
    x = 100,580,039.88/12,110.88
  6. Step 6: Final answer
    x = 8,304.93

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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.