Home / 11,741.63-17,606.84-6,812.78

Finding the Fourth Proportional to 11,741.63, 17,606.84 and 6,812.78

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Solution

The fourth proportional to 11,741.63, 17,606.84 and 6,812.78 is: 10,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.63 : 17,606.84 = 6,812.78 : x
  2. Step 2: Convert to fraction form
    11,741.63/17,606.84 = 6,812.78/x
  3. Step 3: Cross multiply
    11,741.63x = 17,606.84 × 6,812.78
  4. Step 4: Simplify right side
    11,741.63x = 119,951,405.32
  5. Step 5: Solve for x
    x = 119,951,405.32/11,741.63
  6. Step 6: Final answer
    x = 10,215.91

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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.