Home / 12,896.20-19,341.52-4,576.49

Finding the Fourth Proportional to 12,896.20, 19,341.52 and 4,576.49

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Solution

The fourth proportional to 12,896.20, 19,341.52 and 4,576.49 is: 6,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.20 : 19,341.52 = 4,576.49 : x
  2. Step 2: Convert to fraction form
    12,896.20/19,341.52 = 4,576.49/x
  3. Step 3: Cross multiply
    12,896.20x = 19,341.52 × 4,576.49
  4. Step 4: Simplify right side
    12,896.20x = 88,516,237.25
  5. Step 5: Solve for x
    x = 88,516,237.25/12,896.20
  6. Step 6: Final answer
    x = 6,863.75

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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.