Home / 9,838.04-13,576.56-5,361.78

Finding the Fourth Proportional to 9,838.04, 13,576.56 and 5,361.78

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Solution

The fourth proportional to 9,838.04, 13,576.56 and 5,361.78 is: 7,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.04 : 13,576.56 = 5,361.78 : x
  2. Step 2: Convert to fraction form
    9,838.04/13,576.56 = 5,361.78/x
  3. Step 3: Cross multiply
    9,838.04x = 13,576.56 × 5,361.78
  4. Step 4: Simplify right side
    9,838.04x = 72,794,512.47
  5. Step 5: Solve for x
    x = 72,794,512.47/9,838.04
  6. Step 6: Final answer
    x = 7,399.29

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1.5x scale

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.