Home / 11,289.95-16,945.32-5,747.25

Finding the Fourth Proportional to 11,289.95, 16,945.32 and 5,747.25

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Solution

The fourth proportional to 11,289.95, 16,945.32 and 5,747.25 is: 8,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.95 : 16,945.32 = 5,747.25 : x
  2. Step 2: Convert to fraction form
    11,289.95/16,945.32 = 5,747.25/x
  3. Step 3: Cross multiply
    11,289.95x = 16,945.32 × 5,747.25
  4. Step 4: Simplify right side
    11,289.95x = 97,388,990.37
  5. Step 5: Solve for x
    x = 97,388,990.37/11,289.95
  6. Step 6: Final answer
    x = 8,626.17

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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.