Home / 10,946.20-16,415.70-4,019.80

Finding the Fourth Proportional to 10,946.20, 16,415.70 and 4,019.80

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Solution

The fourth proportional to 10,946.20, 16,415.70 and 4,019.80 is: 6,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.20 : 16,415.70 = 4,019.80 : x
  2. Step 2: Convert to fraction form
    10,946.20/16,415.70 = 4,019.80/x
  3. Step 3: Cross multiply
    10,946.20x = 16,415.70 × 4,019.80
  4. Step 4: Simplify right side
    10,946.20x = 65,987,830.86
  5. Step 5: Solve for x
    x = 65,987,830.86/10,946.20
  6. Step 6: Final answer
    x = 6,028.38

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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.