Home / 14,183.90-19,561.04-8,879.20

Finding the Fourth Proportional to 14,183.90, 19,561.04 and 8,879.20

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Solution

The fourth proportional to 14,183.90, 19,561.04 and 8,879.20 is: 12,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.90 : 19,561.04 = 8,879.20 : x
  2. Step 2: Convert to fraction form
    14,183.90/19,561.04 = 8,879.20/x
  3. Step 3: Cross multiply
    14,183.90x = 19,561.04 × 8,879.20
  4. Step 4: Simplify right side
    14,183.90x = 173,686,386.37
  5. Step 5: Solve for x
    x = 173,686,386.37/14,183.90
  6. Step 6: Final answer
    x = 12,245.32

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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.