Home / 12,766.75-19,149.99-4,981.03

Finding the Fourth Proportional to 12,766.75, 19,149.99 and 4,981.03

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Solution

The fourth proportional to 12,766.75, 19,149.99 and 4,981.03 is: 7,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.75 : 19,149.99 = 4,981.03 : x
  2. Step 2: Convert to fraction form
    12,766.75/19,149.99 = 4,981.03/x
  3. Step 3: Cross multiply
    12,766.75x = 19,149.99 × 4,981.03
  4. Step 4: Simplify right side
    12,766.75x = 95,386,674.69
  5. Step 5: Solve for x
    x = 95,386,674.69/12,766.75
  6. Step 6: Final answer
    x = 7,471.49

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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.