Home / 19,629.26-27,074.66-12,912.74

Finding the Fourth Proportional to 19,629.26, 27,074.66 and 12,912.74

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Solution

The fourth proportional to 19,629.26, 27,074.66 and 12,912.74 is: 17,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.26 : 27,074.66 = 12,912.74 : x
  2. Step 2: Convert to fraction form
    19,629.26/27,074.66 = 12,912.74/x
  3. Step 3: Cross multiply
    19,629.26x = 27,074.66 × 12,912.74
  4. Step 4: Simplify right side
    19,629.26x = 349,607,946.76
  5. Step 5: Solve for x
    x = 349,607,946.76/19,629.26
  6. Step 6: Final answer
    x = 17,810.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.