Home / 20,180.46-30,259.16-6,136.34

Finding the Fourth Proportional to 20,180.46, 30,259.16 and 6,136.34

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Solution

The fourth proportional to 20,180.46, 30,259.16 and 6,136.34 is: 9,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.46 : 30,259.16 = 6,136.34 : x
  2. Step 2: Convert to fraction form
    20,180.46/30,259.16 = 6,136.34/x
  3. Step 3: Cross multiply
    20,180.46x = 30,259.16 × 6,136.34
  4. Step 4: Simplify right side
    20,180.46x = 185,680,493.87
  5. Step 5: Solve for x
    x = 185,680,493.87/20,180.46
  6. Step 6: Final answer
    x = 9,201.00

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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.