Home / 13,284.41-19,926.61-12,707.85

Finding the Fourth Proportional to 13,284.41, 19,926.61 and 12,707.85

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Solution

The fourth proportional to 13,284.41, 19,926.61 and 12,707.85 is: 19,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.41 : 19,926.61 = 12,707.85 : x
  2. Step 2: Convert to fraction form
    13,284.41/19,926.61 = 12,707.85/x
  3. Step 3: Cross multiply
    13,284.41x = 19,926.61 × 12,707.85
  4. Step 4: Simplify right side
    13,284.41x = 253,224,413.84
  5. Step 5: Solve for x
    x = 253,224,413.84/13,284.41
  6. Step 6: Final answer
    x = 19,061.78

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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.