Home / 10,734.96-16,111.70-7,450.36

Finding the Fourth Proportional to 10,734.96, 16,111.70 and 7,450.36

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Solution

The fourth proportional to 10,734.96, 16,111.70 and 7,450.36 is: 11,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,734.96 : 16,111.70 = 7,450.36 : x
  2. Step 2: Convert to fraction form
    10,734.96/16,111.70 = 7,450.36/x
  3. Step 3: Cross multiply
    10,734.96x = 16,111.70 × 7,450.36
  4. Step 4: Simplify right side
    10,734.96x = 120,037,965.21
  5. Step 5: Solve for x
    x = 120,037,965.21/10,734.96
  6. Step 6: Final answer
    x = 11,181.97

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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.