Home / 20,176.44-30,263.76-6,136.80

Finding the Fourth Proportional to 20,176.44, 30,263.76 and 6,136.80

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Solution

The fourth proportional to 20,176.44, 30,263.76 and 6,136.80 is: 9,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.44 : 30,263.76 = 6,136.80 : x
  2. Step 2: Convert to fraction form
    20,176.44/30,263.76 = 6,136.80/x
  3. Step 3: Cross multiply
    20,176.44x = 30,263.76 × 6,136.80
  4. Step 4: Simplify right side
    20,176.44x = 185,722,642.37
  5. Step 5: Solve for x
    x = 185,722,642.37/20,176.44
  6. Step 6: Final answer
    x = 9,204.93

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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.