Home / 11,283.03-15,571.16-6,247.80

Finding the Fourth Proportional to 11,283.03, 15,571.16 and 6,247.80

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Solution

The fourth proportional to 11,283.03, 15,571.16 and 6,247.80 is: 8,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.03 : 15,571.16 = 6,247.80 : x
  2. Step 2: Convert to fraction form
    11,283.03/15,571.16 = 6,247.80/x
  3. Step 3: Cross multiply
    11,283.03x = 15,571.16 × 6,247.80
  4. Step 4: Simplify right side
    11,283.03x = 97,285,493.45
  5. Step 5: Solve for x
    x = 97,285,493.45/11,283.03
  6. Step 6: Final answer
    x = 8,622.28

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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.