Home / 11,478.82-17,197.85-4,800.60

Finding the Fourth Proportional to 11,478.82, 17,197.85 and 4,800.60

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Solution

The fourth proportional to 11,478.82, 17,197.85 and 4,800.60 is: 7,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.82 : 17,197.85 = 4,800.60 : x
  2. Step 2: Convert to fraction form
    11,478.82/17,197.85 = 4,800.60/x
  3. Step 3: Cross multiply
    11,478.82x = 17,197.85 × 4,800.60
  4. Step 4: Simplify right side
    11,478.82x = 82,559,998.71
  5. Step 5: Solve for x
    x = 82,559,998.71/11,478.82
  6. Step 6: Final answer
    x = 7,192.38

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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.