Home / 12,763.16-17,611.26-7,173.08

Finding the Fourth Proportional to 12,763.16, 17,611.26 and 7,173.08

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Solution

The fourth proportional to 12,763.16, 17,611.26 and 7,173.08 is: 9,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.16 : 17,611.26 = 7,173.08 : x
  2. Step 2: Convert to fraction form
    12,763.16/17,611.26 = 7,173.08/x
  3. Step 3: Cross multiply
    12,763.16x = 17,611.26 × 7,173.08
  4. Step 4: Simplify right side
    12,763.16x = 126,326,976.88
  5. Step 5: Solve for x
    x = 126,326,976.88/12,763.16
  6. Step 6: Final answer
    x = 9,897.78

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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.