Home / 10,879.82-16,315.37-4,642.62

Finding the Fourth Proportional to 10,879.82, 16,315.37 and 4,642.62

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Solution

The fourth proportional to 10,879.82, 16,315.37 and 4,642.62 is: 6,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.82 : 16,315.37 = 4,642.62 : x
  2. Step 2: Convert to fraction form
    10,879.82/16,315.37 = 4,642.62/x
  3. Step 3: Cross multiply
    10,879.82x = 16,315.37 × 4,642.62
  4. Step 4: Simplify right side
    10,879.82x = 75,746,063.07
  5. Step 5: Solve for x
    x = 75,746,063.07/10,879.82
  6. Step 6: Final answer
    x = 6,962.07

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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.