Home / 11,718.67-17,577.78-3,398.35

Finding the Fourth Proportional to 11,718.67, 17,577.78 and 3,398.35

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Solution

The fourth proportional to 11,718.67, 17,577.78 and 3,398.35 is: 5,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.67 : 17,577.78 = 3,398.35 : x
  2. Step 2: Convert to fraction form
    11,718.67/17,577.78 = 3,398.35/x
  3. Step 3: Cross multiply
    11,718.67x = 17,577.78 × 3,398.35
  4. Step 4: Simplify right side
    11,718.67x = 59,735,448.66
  5. Step 5: Solve for x
    x = 59,735,448.66/11,718.67
  6. Step 6: Final answer
    x = 5,097.46

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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.