Home / 12,893.16-19,340.72-5,497.65

Finding the Fourth Proportional to 12,893.16, 19,340.72 and 5,497.65

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Solution

The fourth proportional to 12,893.16, 19,340.72 and 5,497.65 is: 8,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.16 : 19,340.72 = 5,497.65 : x
  2. Step 2: Convert to fraction form
    12,893.16/19,340.72 = 5,497.65/x
  3. Step 3: Cross multiply
    12,893.16x = 19,340.72 × 5,497.65
  4. Step 4: Simplify right side
    12,893.16x = 106,328,571.40
  5. Step 5: Solve for x
    x = 106,328,571.40/12,893.16
  6. Step 6: Final answer
    x = 8,246.90

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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.