Home / 20,734.93-28,611.32-12,237.41

Finding the Fourth Proportional to 20,734.93, 28,611.32 and 12,237.41

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Solution

The fourth proportional to 20,734.93, 28,611.32 and 12,237.41 is: 16,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.93 : 28,611.32 = 12,237.41 : x
  2. Step 2: Convert to fraction form
    20,734.93/28,611.32 = 12,237.41/x
  3. Step 3: Cross multiply
    20,734.93x = 28,611.32 × 12,237.41
  4. Step 4: Simplify right side
    20,734.93x = 350,128,249.24
  5. Step 5: Solve for x
    x = 350,128,249.24/20,734.93
  6. Step 6: Final answer
    x = 16,885.92

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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.