Home / 15,800.35-21,796.26-11,771.41

Finding the Fourth Proportional to 15,800.35, 21,796.26 and 11,771.41

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Solution

The fourth proportional to 15,800.35, 21,796.26 and 11,771.41 is: 16,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.35 : 21,796.26 = 11,771.41 : x
  2. Step 2: Convert to fraction form
    15,800.35/21,796.26 = 11,771.41/x
  3. Step 3: Cross multiply
    15,800.35x = 21,796.26 × 11,771.41
  4. Step 4: Simplify right side
    15,800.35x = 256,572,712.93
  5. Step 5: Solve for x
    x = 256,572,712.93/15,800.35
  6. Step 6: Final answer
    x = 16,238.42

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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.