Home / 20,174.96-27,840.94-11,675.90

Finding the Fourth Proportional to 20,174.96, 27,840.94 and 11,675.90

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Solution

The fourth proportional to 20,174.96, 27,840.94 and 11,675.90 is: 16,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.96 : 27,840.94 = 11,675.90 : x
  2. Step 2: Convert to fraction form
    20,174.96/27,840.94 = 11,675.90/x
  3. Step 3: Cross multiply
    20,174.96x = 27,840.94 × 11,675.90
  4. Step 4: Simplify right side
    20,174.96x = 325,068,071.76
  5. Step 5: Solve for x
    x = 325,068,071.76/20,174.96
  6. Step 6: Final answer
    x = 16,112.45

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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.