Home / 12,608.29-17,396.80-7,302.79

Finding the Fourth Proportional to 12,608.29, 17,396.80 and 7,302.79

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Solution

The fourth proportional to 12,608.29, 17,396.80 and 7,302.79 is: 10,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.29 : 17,396.80 = 7,302.79 : x
  2. Step 2: Convert to fraction form
    12,608.29/17,396.80 = 7,302.79/x
  3. Step 3: Cross multiply
    12,608.29x = 17,396.80 × 7,302.79
  4. Step 4: Simplify right side
    12,608.29x = 127,045,177.07
  5. Step 5: Solve for x
    x = 127,045,177.07/12,608.29
  6. Step 6: Final answer
    x = 10,076.32

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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.