Home / 11,243.62-15,516.12-6,208.15

Finding the Fourth Proportional to 11,243.62, 15,516.12 and 6,208.15

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Solution

The fourth proportional to 11,243.62, 15,516.12 and 6,208.15 is: 8,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.62 : 15,516.12 = 6,208.15 : x
  2. Step 2: Convert to fraction form
    11,243.62/15,516.12 = 6,208.15/x
  3. Step 3: Cross multiply
    11,243.62x = 15,516.12 × 6,208.15
  4. Step 4: Simplify right side
    11,243.62x = 96,326,369.34
  5. Step 5: Solve for x
    x = 96,326,369.34/11,243.62
  6. Step 6: Final answer
    x = 8,567.21

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1.5x scale

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.