Home / 20,065.68-30,101.16-6,914.52

Finding the Fourth Proportional to 20,065.68, 30,101.16 and 6,914.52

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Solution

The fourth proportional to 20,065.68, 30,101.16 and 6,914.52 is: 10,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.68 : 30,101.16 = 6,914.52 : x
  2. Step 2: Convert to fraction form
    20,065.68/30,101.16 = 6,914.52/x
  3. Step 3: Cross multiply
    20,065.68x = 30,101.16 × 6,914.52
  4. Step 4: Simplify right side
    20,065.68x = 208,135,072.84
  5. Step 5: Solve for x
    x = 208,135,072.84/20,065.68
  6. Step 6: Final answer
    x = 10,372.69

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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.