Home / 11,004.75-15,186.58-6,289.02

Finding the Fourth Proportional to 11,004.75, 15,186.58 and 6,289.02

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Solution

The fourth proportional to 11,004.75, 15,186.58 and 6,289.02 is: 8,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.75 : 15,186.58 = 6,289.02 : x
  2. Step 2: Convert to fraction form
    11,004.75/15,186.58 = 6,289.02/x
  3. Step 3: Cross multiply
    11,004.75x = 15,186.58 × 6,289.02
  4. Step 4: Simplify right side
    11,004.75x = 95,508,705.35
  5. Step 5: Solve for x
    x = 95,508,705.35/11,004.75
  6. Step 6: Final answer
    x = 8,678.86

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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.