Home / 21,861.37-32,793.07-7,071.44

Finding the Fourth Proportional to 21,861.37, 32,793.07 and 7,071.44

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Solution

The fourth proportional to 21,861.37, 32,793.07 and 7,071.44 is: 10,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.37 : 32,793.07 = 7,071.44 : x
  2. Step 2: Convert to fraction form
    21,861.37/32,793.07 = 7,071.44/x
  3. Step 3: Cross multiply
    21,861.37x = 32,793.07 × 7,071.44
  4. Step 4: Simplify right side
    21,861.37x = 231,894,080.63
  5. Step 5: Solve for x
    x = 231,894,080.63/21,861.37
  6. Step 6: Final answer
    x = 10,607.48

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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.