Home / 12,696.18-17,525.64-11,367.60

Finding the Fourth Proportional to 12,696.18, 17,525.64 and 11,367.60

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Solution

The fourth proportional to 12,696.18, 17,525.64 and 11,367.60 is: 15,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.18 : 17,525.64 = 11,367.60 : x
  2. Step 2: Convert to fraction form
    12,696.18/17,525.64 = 11,367.60/x
  3. Step 3: Cross multiply
    12,696.18x = 17,525.64 × 11,367.60
  4. Step 4: Simplify right side
    12,696.18x = 199,224,465.26
  5. Step 5: Solve for x
    x = 199,224,465.26/12,696.18
  6. Step 6: Final answer
    x = 15,691.69

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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.