Home / 20,693.41-28,556.31-11,741.74

Finding the Fourth Proportional to 20,693.41, 28,556.31 and 11,741.74

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Solution

The fourth proportional to 20,693.41, 28,556.31 and 11,741.74 is: 16,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.41 : 28,556.31 = 11,741.74 : x
  2. Step 2: Convert to fraction form
    20,693.41/28,556.31 = 11,741.74/x
  3. Step 3: Cross multiply
    20,693.41x = 28,556.31 × 11,741.74
  4. Step 4: Simplify right side
    20,693.41x = 335,300,767.38
  5. Step 5: Solve for x
    x = 335,300,767.38/20,693.41
  6. Step 6: Final answer
    x = 16,203.26

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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.