Home / 11,004.29-15,185.92-6,288.57

Finding the Fourth Proportional to 11,004.29, 15,185.92 and 6,288.57

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Solution

The fourth proportional to 11,004.29, 15,185.92 and 6,288.57 is: 8,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.29 : 15,185.92 = 6,288.57 : x
  2. Step 2: Convert to fraction form
    11,004.29/15,185.92 = 6,288.57/x
  3. Step 3: Cross multiply
    11,004.29x = 15,185.92 × 6,288.57
  4. Step 4: Simplify right side
    11,004.29x = 95,497,812.02
  5. Step 5: Solve for x
    x = 95,497,812.02/11,004.29
  6. Step 6: Final answer
    x = 8,678.23

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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.