Home / 11,563.30-17,339.82-5,321.80

Finding the Fourth Proportional to 11,563.30, 17,339.82 and 5,321.80

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Solution

The fourth proportional to 11,563.30, 17,339.82 and 5,321.80 is: 7,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.30 : 17,339.82 = 5,321.80 : x
  2. Step 2: Convert to fraction form
    11,563.30/17,339.82 = 5,321.80/x
  3. Step 3: Cross multiply
    11,563.30x = 17,339.82 × 5,321.80
  4. Step 4: Simplify right side
    11,563.30x = 92,279,054.08
  5. Step 5: Solve for x
    x = 92,279,054.08/11,563.30
  6. Step 6: Final answer
    x = 7,980.34

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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.