Home / 12,684.36-17,504.40-7,095.36

Finding the Fourth Proportional to 12,684.36, 17,504.40 and 7,095.36

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Solution

The fourth proportional to 12,684.36, 17,504.40 and 7,095.36 is: 9,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.36 : 17,504.40 = 7,095.36 : x
  2. Step 2: Convert to fraction form
    12,684.36/17,504.40 = 7,095.36/x
  3. Step 3: Cross multiply
    12,684.36x = 17,504.40 × 7,095.36
  4. Step 4: Simplify right side
    12,684.36x = 124,200,019.58
  5. Step 5: Solve for x
    x = 124,200,019.58/12,684.36
  6. Step 6: Final answer
    x = 9,791.59

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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.