Home / 22,245.44-30,697.51-12,683.92

Finding the Fourth Proportional to 22,245.44, 30,697.51 and 12,683.92

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Solution

The fourth proportional to 22,245.44, 30,697.51 and 12,683.92 is: 17,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.44 : 30,697.51 = 12,683.92 : x
  2. Step 2: Convert to fraction form
    22,245.44/30,697.51 = 12,683.92/x
  3. Step 3: Cross multiply
    22,245.44x = 30,697.51 × 12,683.92
  4. Step 4: Simplify right side
    22,245.44x = 389,364,611.92
  5. Step 5: Solve for x
    x = 389,364,611.92/22,245.44
  6. Step 6: Final answer
    x = 17,503.12

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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.