Home / 9,399.78-14,099.40-3,851.55

Finding the Fourth Proportional to 9,399.78, 14,099.40 and 3,851.55

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Solution

The fourth proportional to 9,399.78, 14,099.40 and 3,851.55 is: 5,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.78 : 14,099.40 = 3,851.55 : x
  2. Step 2: Convert to fraction form
    9,399.78/14,099.40 = 3,851.55/x
  3. Step 3: Cross multiply
    9,399.78x = 14,099.40 × 3,851.55
  4. Step 4: Simplify right side
    9,399.78x = 54,304,544.07
  5. Step 5: Solve for x
    x = 54,304,544.07/9,399.78
  6. Step 6: Final answer
    x = 5,777.21

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1.5x scale

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.