Home / 11,319.75-16,982.06-4,394.25

Finding the Fourth Proportional to 11,319.75, 16,982.06 and 4,394.25

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Solution

The fourth proportional to 11,319.75, 16,982.06 and 4,394.25 is: 6,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.75 : 16,982.06 = 4,394.25 : x
  2. Step 2: Convert to fraction form
    11,319.75/16,982.06 = 4,394.25/x
  3. Step 3: Cross multiply
    11,319.75x = 16,982.06 × 4,394.25
  4. Step 4: Simplify right side
    11,319.75x = 74,623,395.18
  5. Step 5: Solve for x
    x = 74,623,395.18/11,319.75
  6. Step 6: Final answer
    x = 6,592.32

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1.5x scale

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.