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Finding the Fourth Proportional to 8,954.48, 13,405.80 and 7,477.04

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Solution

The fourth proportional to 8,954.48, 13,405.80 and 7,477.04 is: 11,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.48 : 13,405.80 = 7,477.04 : x
  2. Step 2: Convert to fraction form
    8,954.48/13,405.80 = 7,477.04/x
  3. Step 3: Cross multiply
    8,954.48x = 13,405.80 × 7,477.04
  4. Step 4: Simplify right side
    8,954.48x = 100,235,702.83
  5. Step 5: Solve for x
    x = 100,235,702.83/8,954.48
  6. Step 6: Final answer
    x = 11,193.92

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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.