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Finding the Fourth Proportional to 13,107.58, 18,056.70 and 9,744.58

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Solution

The fourth proportional to 13,107.58, 18,056.70 and 9,744.58 is: 13,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.58 : 18,056.70 = 9,744.58 : x
  2. Step 2: Convert to fraction form
    13,107.58/18,056.70 = 9,744.58/x
  3. Step 3: Cross multiply
    13,107.58x = 18,056.70 × 9,744.58
  4. Step 4: Simplify right side
    13,107.58x = 175,954,957.69
  5. Step 5: Solve for x
    x = 175,954,957.69/13,107.58
  6. Step 6: Final answer
    x = 13,423.91

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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.