Home / 11,216.64-16,825.02-3,425.52

Finding the Fourth Proportional to 11,216.64, 16,825.02 and 3,425.52

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Solution

The fourth proportional to 11,216.64, 16,825.02 and 3,425.52 is: 5,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.64 : 16,825.02 = 3,425.52 : x
  2. Step 2: Convert to fraction form
    11,216.64/16,825.02 = 3,425.52/x
  3. Step 3: Cross multiply
    11,216.64x = 16,825.02 × 3,425.52
  4. Step 4: Simplify right side
    11,216.64x = 57,634,442.51
  5. Step 5: Solve for x
    x = 57,634,442.51/11,216.64
  6. Step 6: Final answer
    x = 5,138.30

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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.