Home / 14,984.72-20,679.11-8,270.63

Finding the Fourth Proportional to 14,984.72, 20,679.11 and 8,270.63

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Solution

The fourth proportional to 14,984.72, 20,679.11 and 8,270.63 is: 11,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.72 : 20,679.11 = 8,270.63 : x
  2. Step 2: Convert to fraction form
    14,984.72/20,679.11 = 8,270.63/x
  3. Step 3: Cross multiply
    14,984.72x = 20,679.11 × 8,270.63
  4. Step 4: Simplify right side
    14,984.72x = 171,029,122.79
  5. Step 5: Solve for x
    x = 171,029,122.79/14,984.72
  6. Step 6: Final answer
    x = 11,413.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.