Home / 11,004.12-16,507.70-3,211.80

Finding the Fourth Proportional to 11,004.12, 16,507.70 and 3,211.80

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Solution

The fourth proportional to 11,004.12, 16,507.70 and 3,211.80 is: 4,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.12 : 16,507.70 = 3,211.80 : x
  2. Step 2: Convert to fraction form
    11,004.12/16,507.70 = 3,211.80/x
  3. Step 3: Cross multiply
    11,004.12x = 16,507.70 × 3,211.80
  4. Step 4: Simplify right side
    11,004.12x = 53,019,430.86
  5. Step 5: Solve for x
    x = 53,019,430.86/11,004.12
  6. Step 6: Final answer
    x = 4,818.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.