Home / 13,305.89-19,971.20-6,736.73

Finding the Fourth Proportional to 13,305.89, 19,971.20 and 6,736.73

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Solution

The fourth proportional to 13,305.89, 19,971.20 and 6,736.73 is: 10,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.89 : 19,971.20 = 6,736.73 : x
  2. Step 2: Convert to fraction form
    13,305.89/19,971.20 = 6,736.73/x
  3. Step 3: Cross multiply
    13,305.89x = 19,971.20 × 6,736.73
  4. Step 4: Simplify right side
    13,305.89x = 134,540,582.18
  5. Step 5: Solve for x
    x = 134,540,582.18/13,305.89
  6. Step 6: Final answer
    x = 10,111.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.