Home / 13,252.03-18,288.67-8,219.60

Finding the Fourth Proportional to 13,252.03, 18,288.67 and 8,219.60

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Solution

The fourth proportional to 13,252.03, 18,288.67 and 8,219.60 is: 11,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.03 : 18,288.67 = 8,219.60 : x
  2. Step 2: Convert to fraction form
    13,252.03/18,288.67 = 8,219.60/x
  3. Step 3: Cross multiply
    13,252.03x = 18,288.67 × 8,219.60
  4. Step 4: Simplify right side
    13,252.03x = 150,325,442.30
  5. Step 5: Solve for x
    x = 150,325,442.30/13,252.03
  6. Step 6: Final answer
    x = 11,343.58

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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.