Home / 11,195.90-16,782.60-4,171.40

Finding the Fourth Proportional to 11,195.90, 16,782.60 and 4,171.40

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Solution

The fourth proportional to 11,195.90, 16,782.60 and 4,171.40 is: 6,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.90 : 16,782.60 = 4,171.40 : x
  2. Step 2: Convert to fraction form
    11,195.90/16,782.60 = 4,171.40/x
  3. Step 3: Cross multiply
    11,195.90x = 16,782.60 × 4,171.40
  4. Step 4: Simplify right side
    11,195.90x = 70,006,937.64
  5. Step 5: Solve for x
    x = 70,006,937.64/11,195.90
  6. Step 6: Final answer
    x = 6,252.91

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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.