Home / 20,071.26-27,698.25-11,119.32

Finding the Fourth Proportional to 20,071.26, 27,698.25 and 11,119.32

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Solution

The fourth proportional to 20,071.26, 27,698.25 and 11,119.32 is: 15,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.26 : 27,698.25 = 11,119.32 : x
  2. Step 2: Convert to fraction form
    20,071.26/27,698.25 = 11,119.32/x
  3. Step 3: Cross multiply
    20,071.26x = 27,698.25 × 11,119.32
  4. Step 4: Simplify right side
    20,071.26x = 307,985,705.19
  5. Step 5: Solve for x
    x = 307,985,705.19/20,071.26
  6. Step 6: Final answer
    x = 15,344.61

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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.