Home / 12,687.97-19,032.09-5,668.33

Finding the Fourth Proportional to 12,687.97, 19,032.09 and 5,668.33

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Solution

The fourth proportional to 12,687.97, 19,032.09 and 5,668.33 is: 8,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687.97 : 19,032.09 = 5,668.33 : x
  2. Step 2: Convert to fraction form
    12,687.97/19,032.09 = 5,668.33/x
  3. Step 3: Cross multiply
    12,687.97x = 19,032.09 × 5,668.33
  4. Step 4: Simplify right side
    12,687.97x = 107,880,166.71
  5. Step 5: Solve for x
    x = 107,880,166.71/12,687.97
  6. Step 6: Final answer
    x = 8,502.56

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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.