Home / 11,260.26-16,890.12-2,940.35

Finding the Fourth Proportional to 11,260.26, 16,890.12 and 2,940.35

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Solution

The fourth proportional to 11,260.26, 16,890.12 and 2,940.35 is: 4,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.26 : 16,890.12 = 2,940.35 : x
  2. Step 2: Convert to fraction form
    11,260.26/16,890.12 = 2,940.35/x
  3. Step 3: Cross multiply
    11,260.26x = 16,890.12 × 2,940.35
  4. Step 4: Simplify right side
    11,260.26x = 49,662,779.89
  5. Step 5: Solve for x
    x = 49,662,779.89/11,260.26
  6. Step 6: Final answer
    x = 4,410.45

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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.