Home / 11,391.54-17,075.00-6,470.79

Finding the Fourth Proportional to 11,391.54, 17,075.00 and 6,470.79

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Solution

The fourth proportional to 11,391.54, 17,075.00 and 6,470.79 is: 9,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.54 : 17,075.00 = 6,470.79 : x
  2. Step 2: Convert to fraction form
    11,391.54/17,075.00 = 6,470.79/x
  3. Step 3: Cross multiply
    11,391.54x = 17,075.00 × 6,470.79
  4. Step 4: Simplify right side
    11,391.54x = 110,488,691.40
  5. Step 5: Solve for x
    x = 110,488,691.40/11,391.54
  6. Step 6: Final answer
    x = 9,699.19

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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.