Home / 11,004.30-15,186.03-6,289.26

Finding the Fourth Proportional to 11,004.30, 15,186.03 and 6,289.26

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Solution

The fourth proportional to 11,004.30, 15,186.03 and 6,289.26 is: 8,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.30 : 15,186.03 = 6,289.26 : x
  2. Step 2: Convert to fraction form
    11,004.30/15,186.03 = 6,289.26/x
  3. Step 3: Cross multiply
    11,004.30x = 15,186.03 × 6,289.26
  4. Step 4: Simplify right side
    11,004.30x = 95,508,891.04
  5. Step 5: Solve for x
    x = 95,508,891.04/11,004.30
  6. Step 6: Final answer
    x = 8,679.23

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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.