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Finding the Fourth Proportional to 11,607.60, 17,411.40 and 8,351.40

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Solution

The fourth proportional to 11,607.60, 17,411.40 and 8,351.40 is: 12,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.60 : 17,411.40 = 8,351.40 : x
  2. Step 2: Convert to fraction form
    11,607.60/17,411.40 = 8,351.40/x
  3. Step 3: Cross multiply
    11,607.60x = 17,411.40 × 8,351.40
  4. Step 4: Simplify right side
    11,607.60x = 145,409,565.96
  5. Step 5: Solve for x
    x = 145,409,565.96/11,607.60
  6. Step 6: Final answer
    x = 12,527.10

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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.