Home / 19,670.44-27,146.55-12,016.99

Finding the Fourth Proportional to 19,670.44, 27,146.55 and 12,016.99

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Solution

The fourth proportional to 19,670.44, 27,146.55 and 12,016.99 is: 16,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.44 : 27,146.55 = 12,016.99 : x
  2. Step 2: Convert to fraction form
    19,670.44/27,146.55 = 12,016.99/x
  3. Step 3: Cross multiply
    19,670.44x = 27,146.55 × 12,016.99
  4. Step 4: Simplify right side
    19,670.44x = 326,219,819.88
  5. Step 5: Solve for x
    x = 326,219,819.88/19,670.44
  6. Step 6: Final answer
    x = 16,584.27

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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.