Home / 18,261.36-27,397.44-7,725.96

Finding the Fourth Proportional to 18,261.36, 27,397.44 and 7,725.96

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Solution

The fourth proportional to 18,261.36, 27,397.44 and 7,725.96 is: 11,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.36 : 27,397.44 = 7,725.96 : x
  2. Step 2: Convert to fraction form
    18,261.36/27,397.44 = 7,725.96/x
  3. Step 3: Cross multiply
    18,261.36x = 27,397.44 × 7,725.96
  4. Step 4: Simplify right side
    18,261.36x = 211,671,525.54
  5. Step 5: Solve for x
    x = 211,671,525.54/18,261.36
  6. Step 6: Final answer
    x = 11,591.22

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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.