Home / 11,825.49-16,319.88-6,520.28

Finding the Fourth Proportional to 11,825.49, 16,319.88 and 6,520.28

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Solution

The fourth proportional to 11,825.49, 16,319.88 and 6,520.28 is: 8,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.49 : 16,319.88 = 6,520.28 : x
  2. Step 2: Convert to fraction form
    11,825.49/16,319.88 = 6,520.28/x
  3. Step 3: Cross multiply
    11,825.49x = 16,319.88 × 6,520.28
  4. Step 4: Simplify right side
    11,825.49x = 106,410,105.57
  5. Step 5: Solve for x
    x = 106,410,105.57/11,825.49
  6. Step 6: Final answer
    x = 8,998.37

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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.