Home / 21,540.96-32,311.85-6,749.55

Finding the Fourth Proportional to 21,540.96, 32,311.85 and 6,749.55

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Solution

The fourth proportional to 21,540.96, 32,311.85 and 6,749.55 is: 10,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.96 : 32,311.85 = 6,749.55 : x
  2. Step 2: Convert to fraction form
    21,540.96/32,311.85 = 6,749.55/x
  3. Step 3: Cross multiply
    21,540.96x = 32,311.85 × 6,749.55
  4. Step 4: Simplify right side
    21,540.96x = 218,090,413.42
  5. Step 5: Solve for x
    x = 218,090,413.42/21,540.96
  6. Step 6: Final answer
    x = 10,124.45

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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.