Home / 20,162.39-27,804.94-12,094.79

Finding the Fourth Proportional to 20,162.39, 27,804.94 and 12,094.79

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Solution

The fourth proportional to 20,162.39, 27,804.94 and 12,094.79 is: 16,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.39 : 27,804.94 = 12,094.79 : x
  2. Step 2: Convert to fraction form
    20,162.39/27,804.94 = 12,094.79/x
  3. Step 3: Cross multiply
    20,162.39x = 27,804.94 × 12,094.79
  4. Step 4: Simplify right side
    20,162.39x = 336,294,741.00
  5. Step 5: Solve for x
    x = 336,294,741.00/20,162.39
  6. Step 6: Final answer
    x = 16,679.31

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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.