Home / 10,806.65-14,912.75-6,091.91

Finding the Fourth Proportional to 10,806.65, 14,912.75 and 6,091.91

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Solution

The fourth proportional to 10,806.65, 14,912.75 and 6,091.91 is: 8,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.65 : 14,912.75 = 6,091.91 : x
  2. Step 2: Convert to fraction form
    10,806.65/14,912.75 = 6,091.91/x
  3. Step 3: Cross multiply
    10,806.65x = 14,912.75 × 6,091.91
  4. Step 4: Simplify right side
    10,806.65x = 90,847,100.39
  5. Step 5: Solve for x
    x = 90,847,100.39/10,806.65
  6. Step 6: Final answer
    x = 8,406.59

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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.