Home / 20,650.44-30,955.80-6,602.76

Finding the Fourth Proportional to 20,650.44, 30,955.80 and 6,602.76

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Solution

The fourth proportional to 20,650.44, 30,955.80 and 6,602.76 is: 9,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.44 : 30,955.80 = 6,602.76 : x
  2. Step 2: Convert to fraction form
    20,650.44/30,955.80 = 6,602.76/x
  3. Step 3: Cross multiply
    20,650.44x = 30,955.80 × 6,602.76
  4. Step 4: Simplify right side
    20,650.44x = 204,393,718.01
  5. Step 5: Solve for x
    x = 204,393,718.01/20,650.44
  6. Step 6: Final answer
    x = 9,897.79

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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.