Home / 18,257.68-27,390.66-5,778.48

Finding the Fourth Proportional to 18,257.68, 27,390.66 and 5,778.48

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Solution

The fourth proportional to 18,257.68, 27,390.66 and 5,778.48 is: 8,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.68 : 27,390.66 = 5,778.48 : x
  2. Step 2: Convert to fraction form
    18,257.68/27,390.66 = 5,778.48/x
  3. Step 3: Cross multiply
    18,257.68x = 27,390.66 × 5,778.48
  4. Step 4: Simplify right side
    18,257.68x = 158,276,381.00
  5. Step 5: Solve for x
    x = 158,276,381.00/18,257.68
  6. Step 6: Final answer
    x = 8,669.03

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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.