Home / 20,370.53-30,556.44-6,330.63

Finding the Fourth Proportional to 20,370.53, 30,556.44 and 6,330.63

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Solution

The fourth proportional to 20,370.53, 30,556.44 and 6,330.63 is: 9,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.53 : 30,556.44 = 6,330.63 : x
  2. Step 2: Convert to fraction form
    20,370.53/30,556.44 = 6,330.63/x
  3. Step 3: Cross multiply
    20,370.53x = 30,556.44 × 6,330.63
  4. Step 4: Simplify right side
    20,370.53x = 193,441,630.34
  5. Step 5: Solve for x
    x = 193,441,630.34/20,370.53
  6. Step 6: Final answer
    x = 9,496.15

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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.