Home / 11,321.02-16,980.26-3,529.18

Finding the Fourth Proportional to 11,321.02, 16,980.26 and 3,529.18

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Solution

The fourth proportional to 11,321.02, 16,980.26 and 3,529.18 is: 5,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.02 : 16,980.26 = 3,529.18 : x
  2. Step 2: Convert to fraction form
    11,321.02/16,980.26 = 3,529.18/x
  3. Step 3: Cross multiply
    11,321.02x = 16,980.26 × 3,529.18
  4. Step 4: Simplify right side
    11,321.02x = 59,926,393.99
  5. Step 5: Solve for x
    x = 59,926,393.99/11,321.02
  6. Step 6: Final answer
    x = 5,293.37

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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.