Home / 14,239.64-19,650.84-8,271.56

Finding the Fourth Proportional to 14,239.64, 19,650.84 and 8,271.56

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Solution

The fourth proportional to 14,239.64, 19,650.84 and 8,271.56 is: 11,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.64 : 19,650.84 = 8,271.56 : x
  2. Step 2: Convert to fraction form
    14,239.64/19,650.84 = 8,271.56/x
  3. Step 3: Cross multiply
    14,239.64x = 19,650.84 × 8,271.56
  4. Step 4: Simplify right side
    14,239.64x = 162,543,120.22
  5. Step 5: Solve for x
    x = 162,543,120.22/14,239.64
  6. Step 6: Final answer
    x = 11,414.83

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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.