Home / 9,838.10-13,576.62-5,361.90

Finding the Fourth Proportional to 9,838.10, 13,576.62 and 5,361.90

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Solution

The fourth proportional to 9,838.10, 13,576.62 and 5,361.90 is: 7,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.10 : 13,576.62 = 5,361.90 : x
  2. Step 2: Convert to fraction form
    9,838.10/13,576.62 = 5,361.90/x
  3. Step 3: Cross multiply
    9,838.10x = 13,576.62 × 5,361.90
  4. Step 4: Simplify right side
    9,838.10x = 72,796,478.78
  5. Step 5: Solve for x
    x = 72,796,478.78/9,838.10
  6. Step 6: Final answer
    x = 7,399.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.