Home / 9,212.12-13,818.20-4,021.64

Finding the Fourth Proportional to 9,212.12, 13,818.20 and 4,021.64

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Solution

The fourth proportional to 9,212.12, 13,818.20 and 4,021.64 is: 6,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.12 : 13,818.20 = 4,021.64 : x
  2. Step 2: Convert to fraction form
    9,212.12/13,818.20 = 4,021.64/x
  3. Step 3: Cross multiply
    9,212.12x = 13,818.20 × 4,021.64
  4. Step 4: Simplify right side
    9,212.12x = 55,571,825.85
  5. Step 5: Solve for x
    x = 55,571,825.85/9,212.12
  6. Step 6: Final answer
    x = 6,032.47

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1.5x scale

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.