Home / 12,801.92-19,202.74-3,314.18

Finding the Fourth Proportional to 12,801.92, 19,202.74 and 3,314.18

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Solution

The fourth proportional to 12,801.92, 19,202.74 and 3,314.18 is: 4,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.92 : 19,202.74 = 3,314.18 : x
  2. Step 2: Convert to fraction form
    12,801.92/19,202.74 = 3,314.18/x
  3. Step 3: Cross multiply
    12,801.92x = 19,202.74 × 3,314.18
  4. Step 4: Simplify right side
    12,801.92x = 63,641,376.57
  5. Step 5: Solve for x
    x = 63,641,376.57/12,801.92
  6. Step 6: Final answer
    x = 4,971.24

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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.