Home / 11,208.69-16,810.47-3,309.51

Finding the Fourth Proportional to 11,208.69, 16,810.47 and 3,309.51

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Solution

The fourth proportional to 11,208.69, 16,810.47 and 3,309.51 is: 4,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.69 : 16,810.47 = 3,309.51 : x
  2. Step 2: Convert to fraction form
    11,208.69/16,810.47 = 3,309.51/x
  3. Step 3: Cross multiply
    11,208.69x = 16,810.47 × 3,309.51
  4. Step 4: Simplify right side
    11,208.69x = 55,634,418.57
  5. Step 5: Solve for x
    x = 55,634,418.57/11,208.69
  6. Step 6: Final answer
    x = 4,963.51

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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.