Home / 12,073.06-18,109.62-3,309.28

Finding the Fourth Proportional to 12,073.06, 18,109.62 and 3,309.28

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Solution

The fourth proportional to 12,073.06, 18,109.62 and 3,309.28 is: 4,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.06 : 18,109.62 = 3,309.28 : x
  2. Step 2: Convert to fraction form
    12,073.06/18,109.62 = 3,309.28/x
  3. Step 3: Cross multiply
    12,073.06x = 18,109.62 × 3,309.28
  4. Step 4: Simplify right side
    12,073.06x = 59,929,803.27
  5. Step 5: Solve for x
    x = 59,929,803.27/12,073.06
  6. Step 6: Final answer
    x = 4,963.93

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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.