Home / 12,677.31-19,017.06-3,317.29

Finding the Fourth Proportional to 12,677.31, 19,017.06 and 3,317.29

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Solution

The fourth proportional to 12,677.31, 19,017.06 and 3,317.29 is: 4,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.31 : 19,017.06 = 3,317.29 : x
  2. Step 2: Convert to fraction form
    12,677.31/19,017.06 = 3,317.29/x
  3. Step 3: Cross multiply
    12,677.31x = 19,017.06 × 3,317.29
  4. Step 4: Simplify right side
    12,677.31x = 63,085,102.97
  5. Step 5: Solve for x
    x = 63,085,102.97/12,677.31
  6. Step 6: Final answer
    x = 4,976.22

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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.