Home / 20,284.63-30,427.11-5,493.69

Finding the Fourth Proportional to 20,284.63, 30,427.11 and 5,493.69

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Solution

The fourth proportional to 20,284.63, 30,427.11 and 5,493.69 is: 8,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.63 : 30,427.11 = 5,493.69 : x
  2. Step 2: Convert to fraction form
    20,284.63/30,427.11 = 5,493.69/x
  3. Step 3: Cross multiply
    20,284.63x = 30,427.11 × 5,493.69
  4. Step 4: Simplify right side
    20,284.63x = 167,157,109.94
  5. Step 5: Solve for x
    x = 167,157,109.94/20,284.63
  6. Step 6: Final answer
    x = 8,240.58

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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.