Home / 19,630.96-27,079.32-12,166

Finding the Fourth Proportional to 19,630.96, 27,079.32 and 12,166

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Solution

The fourth proportional to 19,630.96, 27,079.32 and 12,166 is: 16,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.96 : 27,079.32 = 12,166 : x
  2. Step 2: Convert to fraction form
    19,630.96/27,079.32 = 12,166/x
  3. Step 3: Cross multiply
    19,630.96x = 27,079.32 × 12,166
  4. Step 4: Simplify right side
    19,630.96x = 329,447,007.12
  5. Step 5: Solve for x
    x = 329,447,007.12/19,630.96
  6. Step 6: Final answer
    x = 16,782.01

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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.