Home / 12,328.26-17,012.46-7,556.13

Finding the Fourth Proportional to 12,328.26, 17,012.46 and 7,556.13

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Solution

The fourth proportional to 12,328.26, 17,012.46 and 7,556.13 is: 10,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.26 : 17,012.46 = 7,556.13 : x
  2. Step 2: Convert to fraction form
    12,328.26/17,012.46 = 7,556.13/x
  3. Step 3: Cross multiply
    12,328.26x = 17,012.46 × 7,556.13
  4. Step 4: Simplify right side
    12,328.26x = 128,548,359.38
  5. Step 5: Solve for x
    x = 128,548,359.38/12,328.26
  6. Step 6: Final answer
    x = 10,427.13

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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.