Home / 11,879.06-17,818.54-3,559.07

Finding the Fourth Proportional to 11,879.06, 17,818.54 and 3,559.07

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Solution

The fourth proportional to 11,879.06, 17,818.54 and 3,559.07 is: 5,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.06 : 17,818.54 = 3,559.07 : x
  2. Step 2: Convert to fraction form
    11,879.06/17,818.54 = 3,559.07/x
  3. Step 3: Cross multiply
    11,879.06x = 17,818.54 × 3,559.07
  4. Step 4: Simplify right side
    11,879.06x = 63,417,466.81
  5. Step 5: Solve for x
    x = 63,417,466.81/11,879.06
  6. Step 6: Final answer
    x = 5,338.60

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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.