Home / 18,879.09-26,054.50-11,325.74

Finding the Fourth Proportional to 18,879.09, 26,054.50 and 11,325.74

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Solution

The fourth proportional to 18,879.09, 26,054.50 and 11,325.74 is: 15,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879.09 : 26,054.50 = 11,325.74 : x
  2. Step 2: Convert to fraction form
    18,879.09/26,054.50 = 11,325.74/x
  3. Step 3: Cross multiply
    18,879.09x = 26,054.50 × 11,325.74
  4. Step 4: Simplify right side
    18,879.09x = 295,086,492.83
  5. Step 5: Solve for x
    x = 295,086,492.83/18,879.09
  6. Step 6: Final answer
    x = 15,630.33

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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.