Home / 20,009.88-30,016.34-5,968.80

Finding the Fourth Proportional to 20,009.88, 30,016.34 and 5,968.80

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Solution

The fourth proportional to 20,009.88, 30,016.34 and 5,968.80 is: 8,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.88 : 30,016.34 = 5,968.80 : x
  2. Step 2: Convert to fraction form
    20,009.88/30,016.34 = 5,968.80/x
  3. Step 3: Cross multiply
    20,009.88x = 30,016.34 × 5,968.80
  4. Step 4: Simplify right side
    20,009.88x = 179,161,500.35
  5. Step 5: Solve for x
    x = 179,161,500.35/20,009.88
  6. Step 6: Final answer
    x = 8,953.65

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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.