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Finding the Fourth Proportional to 13,178.58, 19,761.66 and 4,411.14

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Solution

The fourth proportional to 13,178.58, 19,761.66 and 4,411.14 is: 6,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.58 : 19,761.66 = 4,411.14 : x
  2. Step 2: Convert to fraction form
    13,178.58/19,761.66 = 4,411.14/x
  3. Step 3: Cross multiply
    13,178.58x = 19,761.66 × 4,411.14
  4. Step 4: Simplify right side
    13,178.58x = 87,171,448.89
  5. Step 5: Solve for x
    x = 87,171,448.89/13,178.58
  6. Step 6: Final answer
    x = 6,614.63

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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.