Home / 21,751.23-30,016.08-12,796.68

Finding the Fourth Proportional to 21,751.23, 30,016.08 and 12,796.68

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Solution

The fourth proportional to 21,751.23, 30,016.08 and 12,796.68 is: 17,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.23 : 30,016.08 = 12,796.68 : x
  2. Step 2: Convert to fraction form
    21,751.23/30,016.08 = 12,796.68/x
  3. Step 3: Cross multiply
    21,751.23x = 30,016.08 × 12,796.68
  4. Step 4: Simplify right side
    21,751.23x = 384,106,170.61
  5. Step 5: Solve for x
    x = 384,106,170.61/21,751.23
  6. Step 6: Final answer
    x = 17,659.06

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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.