Home / 12,673.67-19,013.03-3,908.25

Finding the Fourth Proportional to 12,673.67, 19,013.03 and 3,908.25

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Solution

The fourth proportional to 12,673.67, 19,013.03 and 3,908.25 is: 5,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.67 : 19,013.03 = 3,908.25 : x
  2. Step 2: Convert to fraction form
    12,673.67/19,013.03 = 3,908.25/x
  3. Step 3: Cross multiply
    12,673.67x = 19,013.03 × 3,908.25
  4. Step 4: Simplify right side
    12,673.67x = 74,307,669.61
  5. Step 5: Solve for x
    x = 74,307,669.61/12,673.67
  6. Step 6: Final answer
    x = 5,863.16

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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.