Home / 12,893.55-19,340.34-3,533.65

Finding the Fourth Proportional to 12,893.55, 19,340.34 and 3,533.65

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Solution

The fourth proportional to 12,893.55, 19,340.34 and 3,533.65 is: 5,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.55 : 19,340.34 = 3,533.65 : x
  2. Step 2: Convert to fraction form
    12,893.55/19,340.34 = 3,533.65/x
  3. Step 3: Cross multiply
    12,893.55x = 19,340.34 × 3,533.65
  4. Step 4: Simplify right side
    12,893.55x = 68,341,992.44
  5. Step 5: Solve for x
    x = 68,341,992.44/12,893.55
  6. Step 6: Final answer
    x = 5,300.48

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Double scale
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Similar ratio
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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.