Home / 13,718.56-20,576.28-3,858.24

Finding the Fourth Proportional to 13,718.56, 20,576.28 and 3,858.24

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Solution

The fourth proportional to 13,718.56, 20,576.28 and 3,858.24 is: 5,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.56 : 20,576.28 = 3,858.24 : x
  2. Step 2: Convert to fraction form
    13,718.56/20,576.28 = 3,858.24/x
  3. Step 3: Cross multiply
    13,718.56x = 20,576.28 × 3,858.24
  4. Step 4: Simplify right side
    13,718.56x = 79,388,226.55
  5. Step 5: Solve for x
    x = 79,388,226.55/13,718.56
  6. Step 6: Final answer
    x = 5,786.92

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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.