Home / 11,218.41-16,829.46-4,200.84

Finding the Fourth Proportional to 11,218.41, 16,829.46 and 4,200.84

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Solution

The fourth proportional to 11,218.41, 16,829.46 and 4,200.84 is: 6,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.41 : 16,829.46 = 4,200.84 : x
  2. Step 2: Convert to fraction form
    11,218.41/16,829.46 = 4,200.84/x
  3. Step 3: Cross multiply
    11,218.41x = 16,829.46 × 4,200.84
  4. Step 4: Simplify right side
    11,218.41x = 70,697,868.75
  5. Step 5: Solve for x
    x = 70,697,868.75/11,218.41
  6. Step 6: Final answer
    x = 6,301.95

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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.