Home / 14,986.00-20,679.20-8,271.19

Finding the Fourth Proportional to 14,986.00, 20,679.20 and 8,271.19

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Solution

The fourth proportional to 14,986.00, 20,679.20 and 8,271.19 is: 11,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.00 : 20,679.20 = 8,271.19 : x
  2. Step 2: Convert to fraction form
    14,986.00/20,679.20 = 8,271.19/x
  3. Step 3: Cross multiply
    14,986.00x = 20,679.20 × 8,271.19
  4. Step 4: Simplify right side
    14,986.00x = 171,041,592.25
  5. Step 5: Solve for x
    x = 171,041,592.25/14,986.00
  6. Step 6: Final answer
    x = 11,413.43

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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.