Home / 14,403.09-19,879.97-9,379.83

Finding the Fourth Proportional to 14,403.09, 19,879.97 and 9,379.83

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Solution

The fourth proportional to 14,403.09, 19,879.97 and 9,379.83 is: 12,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.09 : 19,879.97 = 9,379.83 : x
  2. Step 2: Convert to fraction form
    14,403.09/19,879.97 = 9,379.83/x
  3. Step 3: Cross multiply
    14,403.09x = 19,879.97 × 9,379.83
  4. Step 4: Simplify right side
    14,403.09x = 186,470,692.11
  5. Step 5: Solve for x
    x = 186,470,692.11/14,403.09
  6. Step 6: Final answer
    x = 12,946.58

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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.