Home / 9,429.84-14,149.32-3,884.88

Finding the Fourth Proportional to 9,429.84, 14,149.32 and 3,884.88

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Solution

The fourth proportional to 9,429.84, 14,149.32 and 3,884.88 is: 5,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.84 : 14,149.32 = 3,884.88 : x
  2. Step 2: Convert to fraction form
    9,429.84/14,149.32 = 3,884.88/x
  3. Step 3: Cross multiply
    9,429.84x = 14,149.32 × 3,884.88
  4. Step 4: Simplify right side
    9,429.84x = 54,968,410.28
  5. Step 5: Solve for x
    x = 54,968,410.28/9,429.84
  6. Step 6: Final answer
    x = 5,829.20

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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.