Home / 11,845.34-16,344.60-6,809.30

Finding the Fourth Proportional to 11,845.34, 16,344.60 and 6,809.30

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Solution

The fourth proportional to 11,845.34, 16,344.60 and 6,809.30 is: 9,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.34 : 16,344.60 = 6,809.30 : x
  2. Step 2: Convert to fraction form
    11,845.34/16,344.60 = 6,809.30/x
  3. Step 3: Cross multiply
    11,845.34x = 16,344.60 × 6,809.30
  4. Step 4: Simplify right side
    11,845.34x = 111,295,284.78
  5. Step 5: Solve for x
    x = 111,295,284.78/11,845.34
  6. Step 6: Final answer
    x = 9,395.70

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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.