Home / 20,076.01-30,118.80-6,928.49

Finding the Fourth Proportional to 20,076.01, 30,118.80 and 6,928.49

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Solution

The fourth proportional to 20,076.01, 30,118.80 and 6,928.49 is: 10,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.01 : 30,118.80 = 6,928.49 : x
  2. Step 2: Convert to fraction form
    20,076.01/30,118.80 = 6,928.49/x
  3. Step 3: Cross multiply
    20,076.01x = 30,118.80 × 6,928.49
  4. Step 4: Simplify right side
    20,076.01x = 208,677,866.92
  5. Step 5: Solve for x
    x = 208,677,866.92/20,076.01
  6. Step 6: Final answer
    x = 10,394.39

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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.