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Finding the Fourth Proportional to 13,799.58, 19,047.72 and 7,835.22

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Solution

The fourth proportional to 13,799.58, 19,047.72 and 7,835.22 is: 10,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.58 : 19,047.72 = 7,835.22 : x
  2. Step 2: Convert to fraction form
    13,799.58/19,047.72 = 7,835.22/x
  3. Step 3: Cross multiply
    13,799.58x = 19,047.72 × 7,835.22
  4. Step 4: Simplify right side
    13,799.58x = 149,243,076.70
  5. Step 5: Solve for x
    x = 149,243,076.70/13,799.58
  6. Step 6: Final answer
    x = 10,815.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.