Home / 9,399-12,971.03-5,207.25

Finding the Fourth Proportional to 9,399, 12,971.03 and 5,207.25

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Solution

The fourth proportional to 9,399, 12,971.03 and 5,207.25 is: 7,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399 : 12,971.03 = 5,207.25 : x
  2. Step 2: Convert to fraction form
    9,399/12,971.03 = 5,207.25/x
  3. Step 3: Cross multiply
    9,399x = 12,971.03 × 5,207.25
  4. Step 4: Simplify right side
    9,399x = 67,543,369.93
  5. Step 5: Solve for x
    x = 67,543,369.93/9,399
  6. Step 6: Final answer
    x = 7,186.23

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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.