Home / 18,995.12-28,496.68-6,514.16

Finding the Fourth Proportional to 18,995.12, 28,496.68 and 6,514.16

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Solution

The fourth proportional to 18,995.12, 28,496.68 and 6,514.16 is: 9,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.12 : 28,496.68 = 6,514.16 : x
  2. Step 2: Convert to fraction form
    18,995.12/28,496.68 = 6,514.16/x
  3. Step 3: Cross multiply
    18,995.12x = 28,496.68 × 6,514.16
  4. Step 4: Simplify right side
    18,995.12x = 185,631,932.99
  5. Step 5: Solve for x
    x = 185,631,932.99/18,995.12
  6. Step 6: Final answer
    x = 9,772.61

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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.