Home / 9,369.88-14,055.46-3,129.64

Finding the Fourth Proportional to 9,369.88, 14,055.46 and 3,129.64

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Solution

The fourth proportional to 9,369.88, 14,055.46 and 3,129.64 is: 4,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.88 : 14,055.46 = 3,129.64 : x
  2. Step 2: Convert to fraction form
    9,369.88/14,055.46 = 3,129.64/x
  3. Step 3: Cross multiply
    9,369.88x = 14,055.46 × 3,129.64
  4. Step 4: Simplify right side
    9,369.88x = 43,988,486.87
  5. Step 5: Solve for x
    x = 43,988,486.87/9,369.88
  6. Step 6: Final answer
    x = 4,694.67

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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.