Home / 11,216.81-16,825.25-3,425.63

Finding the Fourth Proportional to 11,216.81, 16,825.25 and 3,425.63

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Solution

The fourth proportional to 11,216.81, 16,825.25 and 3,425.63 is: 5,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.81 : 16,825.25 = 3,425.63 : x
  2. Step 2: Convert to fraction form
    11,216.81/16,825.25 = 3,425.63/x
  3. Step 3: Cross multiply
    11,216.81x = 16,825.25 × 3,425.63
  4. Step 4: Simplify right side
    11,216.81x = 57,637,005.60
  5. Step 5: Solve for x
    x = 57,637,005.60/11,216.81
  6. Step 6: Final answer
    x = 5,138.45

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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.