Home / 11,004.09-15,185.37-6,288.09

Finding the Fourth Proportional to 11,004.09, 15,185.37 and 6,288.09

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Solution

The fourth proportional to 11,004.09, 15,185.37 and 6,288.09 is: 8,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.09 : 15,185.37 = 6,288.09 : x
  2. Step 2: Convert to fraction form
    11,004.09/15,185.37 = 6,288.09/x
  3. Step 3: Cross multiply
    11,004.09x = 15,185.37 × 6,288.09
  4. Step 4: Simplify right side
    11,004.09x = 95,486,973.24
  5. Step 5: Solve for x
    x = 95,486,973.24/11,004.09
  6. Step 6: Final answer
    x = 8,677.41

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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.