Home / 12,893.05-19,339.59-3,533.15

Finding the Fourth Proportional to 12,893.05, 19,339.59 and 3,533.15

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Solution

The fourth proportional to 12,893.05, 19,339.59 and 3,533.15 is: 5,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.05 : 19,339.59 = 3,533.15 : x
  2. Step 2: Convert to fraction form
    12,893.05/19,339.59 = 3,533.15/x
  3. Step 3: Cross multiply
    12,893.05x = 19,339.59 × 3,533.15
  4. Step 4: Simplify right side
    12,893.05x = 68,329,672.41
  5. Step 5: Solve for x
    x = 68,329,672.41/12,893.05
  6. Step 6: Final answer
    x = 5,299.73

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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.