Home / 12,541.44-18,806.49-3,776.85

Finding the Fourth Proportional to 12,541.44, 18,806.49 and 3,776.85

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Solution

The fourth proportional to 12,541.44, 18,806.49 and 3,776.85 is: 5,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.44 : 18,806.49 = 3,776.85 : x
  2. Step 2: Convert to fraction form
    12,541.44/18,806.49 = 3,776.85/x
  3. Step 3: Cross multiply
    12,541.44x = 18,806.49 × 3,776.85
  4. Step 4: Simplify right side
    12,541.44x = 71,029,291.76
  5. Step 5: Solve for x
    x = 71,029,291.76/12,541.44
  6. Step 6: Final answer
    x = 5,663.57

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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.