Home / 11,004.42-15,185.94-6,288.60

Finding the Fourth Proportional to 11,004.42, 15,185.94 and 6,288.60

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Solution

The fourth proportional to 11,004.42, 15,185.94 and 6,288.60 is: 8,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.42 : 15,185.94 = 6,288.60 : x
  2. Step 2: Convert to fraction form
    11,004.42/15,185.94 = 6,288.60/x
  3. Step 3: Cross multiply
    11,004.42x = 15,185.94 × 6,288.60
  4. Step 4: Simplify right side
    11,004.42x = 95,498,302.28
  5. Step 5: Solve for x
    x = 95,498,302.28/11,004.42
  6. Step 6: Final answer
    x = 8,678.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.