Home / 9,919.88-14,880.04-3,997.36

Finding the Fourth Proportional to 9,919.88, 14,880.04 and 3,997.36

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Solution

The fourth proportional to 9,919.88, 14,880.04 and 3,997.36 is: 5,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.88 : 14,880.04 = 3,997.36 : x
  2. Step 2: Convert to fraction form
    9,919.88/14,880.04 = 3,997.36/x
  3. Step 3: Cross multiply
    9,919.88x = 14,880.04 × 3,997.36
  4. Step 4: Simplify right side
    9,919.88x = 59,480,782.31
  5. Step 5: Solve for x
    x = 59,480,782.31/9,919.88
  6. Step 6: Final answer
    x = 5,996.12

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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.