Home / 11,209.51-16,810.34-3,309.92

Finding the Fourth Proportional to 11,209.51, 16,810.34 and 3,309.92

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Solution

The fourth proportional to 11,209.51, 16,810.34 and 3,309.92 is: 4,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.51 : 16,810.34 = 3,309.92 : x
  2. Step 2: Convert to fraction form
    11,209.51/16,810.34 = 3,309.92/x
  3. Step 3: Cross multiply
    11,209.51x = 16,810.34 × 3,309.92
  4. Step 4: Simplify right side
    11,209.51x = 55,640,779.97
  5. Step 5: Solve for x
    x = 55,640,779.97/11,209.51
  6. Step 6: Final answer
    x = 4,963.71

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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.