Home / 20,018.68-30,028.93-6,692.86

Finding the Fourth Proportional to 20,018.68, 30,028.93 and 6,692.86

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Solution

The fourth proportional to 20,018.68, 30,028.93 and 6,692.86 is: 10,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.68 : 30,028.93 = 6,692.86 : x
  2. Step 2: Convert to fraction form
    20,018.68/30,028.93 = 6,692.86/x
  3. Step 3: Cross multiply
    20,018.68x = 30,028.93 × 6,692.86
  4. Step 4: Simplify right side
    20,018.68x = 200,979,445.24
  5. Step 5: Solve for x
    x = 200,979,445.24/20,018.68
  6. Step 6: Final answer
    x = 10,039.60

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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.