Home / 18,647.26-27,980.28-11,625.46

Finding the Fourth Proportional to 18,647.26, 27,980.28 and 11,625.46

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Solution

The fourth proportional to 18,647.26, 27,980.28 and 11,625.46 is: 17,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.26 : 27,980.28 = 11,625.46 : x
  2. Step 2: Convert to fraction form
    18,647.26/27,980.28 = 11,625.46/x
  3. Step 3: Cross multiply
    18,647.26x = 27,980.28 × 11,625.46
  4. Step 4: Simplify right side
    18,647.26x = 325,283,625.93
  5. Step 5: Solve for x
    x = 325,283,625.93/18,647.26
  6. Step 6: Final answer
    x = 17,444.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.