Home / 11,879.48-16,392.77-6,574.18

Finding the Fourth Proportional to 11,879.48, 16,392.77 and 6,574.18

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Solution

The fourth proportional to 11,879.48, 16,392.77 and 6,574.18 is: 9,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.48 : 16,392.77 = 6,574.18 : x
  2. Step 2: Convert to fraction form
    11,879.48/16,392.77 = 6,574.18/x
  3. Step 3: Cross multiply
    11,879.48x = 16,392.77 × 6,574.18
  4. Step 4: Simplify right side
    11,879.48x = 107,769,020.68
  5. Step 5: Solve for x
    x = 107,769,020.68/11,879.48
  6. Step 6: Final answer
    x = 9,071.86

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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.