Home / 9,919.50-14,879.85-2,994.06

Finding the Fourth Proportional to 9,919.50, 14,879.85 and 2,994.06

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Solution

The fourth proportional to 9,919.50, 14,879.85 and 2,994.06 is: 4,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.50 : 14,879.85 = 2,994.06 : x
  2. Step 2: Convert to fraction form
    9,919.50/14,879.85 = 2,994.06/x
  3. Step 3: Cross multiply
    9,919.50x = 14,879.85 × 2,994.06
  4. Step 4: Simplify right side
    9,919.50x = 44,551,163.69
  5. Step 5: Solve for x
    x = 44,551,163.69/9,919.50
  6. Step 6: Final answer
    x = 4,491.27

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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.