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Finding the Fourth Proportional to 13,098.96, 19,648.77 and 4,785.15

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Solution

The fourth proportional to 13,098.96, 19,648.77 and 4,785.15 is: 7,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.96 : 19,648.77 = 4,785.15 : x
  2. Step 2: Convert to fraction form
    13,098.96/19,648.77 = 4,785.15/x
  3. Step 3: Cross multiply
    13,098.96x = 19,648.77 × 4,785.15
  4. Step 4: Simplify right side
    13,098.96x = 94,022,311.77
  5. Step 5: Solve for x
    x = 94,022,311.77/13,098.96
  6. Step 6: Final answer
    x = 7,177.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.