Home / 14,659.27-20,228.28-8,285.50

Finding the Fourth Proportional to 14,659.27, 20,228.28 and 8,285.50

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Solution

The fourth proportional to 14,659.27, 20,228.28 and 8,285.50 is: 11,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.27 : 20,228.28 = 8,285.50 : x
  2. Step 2: Convert to fraction form
    14,659.27/20,228.28 = 8,285.50/x
  3. Step 3: Cross multiply
    14,659.27x = 20,228.28 × 8,285.50
  4. Step 4: Simplify right side
    14,659.27x = 167,601,413.94
  5. Step 5: Solve for x
    x = 167,601,413.94/14,659.27
  6. Step 6: Final answer
    x = 11,433.14

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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.