Home / 11,198.70-16,810.20-7,043.40

Finding the Fourth Proportional to 11,198.70, 16,810.20 and 7,043.40

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Solution

The fourth proportional to 11,198.70, 16,810.20 and 7,043.40 is: 10,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.70 : 16,810.20 = 7,043.40 : x
  2. Step 2: Convert to fraction form
    11,198.70/16,810.20 = 7,043.40/x
  3. Step 3: Cross multiply
    11,198.70x = 16,810.20 × 7,043.40
  4. Step 4: Simplify right side
    11,198.70x = 118,400,962.68
  5. Step 5: Solve for x
    x = 118,400,962.68/11,198.70
  6. Step 6: Final answer
    x = 10,572.74

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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.