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Finding the Fourth Proportional to 19,951.33, 29,927.91 and 7,468.13

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Solution

The fourth proportional to 19,951.33, 29,927.91 and 7,468.13 is: 11,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.33 : 29,927.91 = 7,468.13 : x
  2. Step 2: Convert to fraction form
    19,951.33/29,927.91 = 7,468.13/x
  3. Step 3: Cross multiply
    19,951.33x = 29,927.91 × 7,468.13
  4. Step 4: Simplify right side
    19,951.33x = 223,505,522.51
  5. Step 5: Solve for x
    x = 223,505,522.51/19,951.33
  6. Step 6: Final answer
    x = 11,202.54

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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.