Home / 10,143.88-15,216.54-3,223.24

Finding the Fourth Proportional to 10,143.88, 15,216.54 and 3,223.24

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Solution

The fourth proportional to 10,143.88, 15,216.54 and 3,223.24 is: 4,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.88 : 15,216.54 = 3,223.24 : x
  2. Step 2: Convert to fraction form
    10,143.88/15,216.54 = 3,223.24/x
  3. Step 3: Cross multiply
    10,143.88x = 15,216.54 × 3,223.24
  4. Step 4: Simplify right side
    10,143.88x = 49,046,560.39
  5. Step 5: Solve for x
    x = 49,046,560.39/10,143.88
  6. Step 6: Final answer
    x = 4,835.09

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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.