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Finding the Fourth Proportional to 19,503.56, 29,267.22 and 7,022.54

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Solution

The fourth proportional to 19,503.56, 29,267.22 and 7,022.54 is: 10,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.56 : 29,267.22 = 7,022.54 : x
  2. Step 2: Convert to fraction form
    19,503.56/29,267.22 = 7,022.54/x
  3. Step 3: Cross multiply
    19,503.56x = 29,267.22 × 7,022.54
  4. Step 4: Simplify right side
    19,503.56x = 205,530,223.14
  5. Step 5: Solve for x
    x = 205,530,223.14/19,503.56
  6. Step 6: Final answer
    x = 10,538.09

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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.