Home / 12,533.87-17,288.44-8,063.28

Finding the Fourth Proportional to 12,533.87, 17,288.44 and 8,063.28

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Solution

The fourth proportional to 12,533.87, 17,288.44 and 8,063.28 is: 11,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.87 : 17,288.44 = 8,063.28 : x
  2. Step 2: Convert to fraction form
    12,533.87/17,288.44 = 8,063.28/x
  3. Step 3: Cross multiply
    12,533.87x = 17,288.44 × 8,063.28
  4. Step 4: Simplify right side
    12,533.87x = 139,401,512.33
  5. Step 5: Solve for x
    x = 139,401,512.33/12,533.87
  6. Step 6: Final answer
    x = 11,121.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.