Home / 9,212.38-13,818.58-2,286.88

Finding the Fourth Proportional to 9,212.38, 13,818.58 and 2,286.88

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Solution

The fourth proportional to 9,212.38, 13,818.58 and 2,286.88 is: 3,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.38 : 13,818.58 = 2,286.88 : x
  2. Step 2: Convert to fraction form
    9,212.38/13,818.58 = 2,286.88/x
  3. Step 3: Cross multiply
    9,212.38x = 13,818.58 × 2,286.88
  4. Step 4: Simplify right side
    9,212.38x = 31,601,434.23
  5. Step 5: Solve for x
    x = 31,601,434.23/9,212.38
  6. Step 6: Final answer
    x = 3,430.32

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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.