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Finding the Fourth Proportional to 9,956.70, 14,935.41 and 3,383.58

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Solution

The fourth proportional to 9,956.70, 14,935.41 and 3,383.58 is: 5,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.70 : 14,935.41 = 3,383.58 : x
  2. Step 2: Convert to fraction form
    9,956.70/14,935.41 = 3,383.58/x
  3. Step 3: Cross multiply
    9,956.70x = 14,935.41 × 3,383.58
  4. Step 4: Simplify right side
    9,956.70x = 50,535,154.57
  5. Step 5: Solve for x
    x = 50,535,154.57/9,956.70
  6. Step 6: Final answer
    x = 5,075.49

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Why These Related Problems?

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