Home / 20,628.44-30,947.70-6,588.47

Finding the Fourth Proportional to 20,628.44, 30,947.70 and 6,588.47

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Solution

The fourth proportional to 20,628.44, 30,947.70 and 6,588.47 is: 9,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.44 : 30,947.70 = 6,588.47 : x
  2. Step 2: Convert to fraction form
    20,628.44/30,947.70 = 6,588.47/x
  3. Step 3: Cross multiply
    20,628.44x = 30,947.70 × 6,588.47
  4. Step 4: Simplify right side
    20,628.44x = 203,897,993.02
  5. Step 5: Solve for x
    x = 203,897,993.02/20,628.44
  6. Step 6: Final answer
    x = 9,884.31

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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.