Home / 18,186.21-27,276.12-4,859.48

Finding the Fourth Proportional to 18,186.21, 27,276.12 and 4,859.48

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Solution

The fourth proportional to 18,186.21, 27,276.12 and 4,859.48 is: 7,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.21 : 27,276.12 = 4,859.48 : x
  2. Step 2: Convert to fraction form
    18,186.21/27,276.12 = 4,859.48/x
  3. Step 3: Cross multiply
    18,186.21x = 27,276.12 × 4,859.48
  4. Step 4: Simplify right side
    18,186.21x = 132,547,759.62
  5. Step 5: Solve for x
    x = 132,547,759.62/18,186.21
  6. Step 6: Final answer
    x = 7,288.37

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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.