Home / 9,426.20-14,136.60-2,850.80

Finding the Fourth Proportional to 9,426.20, 14,136.60 and 2,850.80

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Solution

The fourth proportional to 9,426.20, 14,136.60 and 2,850.80 is: 4,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.20 : 14,136.60 = 2,850.80 : x
  2. Step 2: Convert to fraction form
    9,426.20/14,136.60 = 2,850.80/x
  3. Step 3: Cross multiply
    9,426.20x = 14,136.60 × 2,850.80
  4. Step 4: Simplify right side
    9,426.20x = 40,300,619.28
  5. Step 5: Solve for x
    x = 40,300,619.28/9,426.20
  6. Step 6: Final answer
    x = 4,275.38

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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.