Home / 12,622.06-18,938.79-5,508.50

Finding the Fourth Proportional to 12,622.06, 18,938.79 and 5,508.50

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Solution

The fourth proportional to 12,622.06, 18,938.79 and 5,508.50 is: 8,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.06 : 18,938.79 = 5,508.50 : x
  2. Step 2: Convert to fraction form
    12,622.06/18,938.79 = 5,508.50/x
  3. Step 3: Cross multiply
    12,622.06x = 18,938.79 × 5,508.50
  4. Step 4: Simplify right side
    12,622.06x = 104,324,372.06
  5. Step 5: Solve for x
    x = 104,324,372.06/12,622.06
  6. Step 6: Final answer
    x = 8,265.24

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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.