Home / 12,767.94-19,151.84-3,280.25

Finding the Fourth Proportional to 12,767.94, 19,151.84 and 3,280.25

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Solution

The fourth proportional to 12,767.94, 19,151.84 and 3,280.25 is: 4,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.94 : 19,151.84 = 3,280.25 : x
  2. Step 2: Convert to fraction form
    12,767.94/19,151.84 = 3,280.25/x
  3. Step 3: Cross multiply
    12,767.94x = 19,151.84 × 3,280.25
  4. Step 4: Simplify right side
    12,767.94x = 62,822,729.45
  5. Step 5: Solve for x
    x = 62,822,729.45/12,767.94
  6. Step 6: Final answer
    x = 4,920.35

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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.