Home / 10,803.75-16,208.36-3,012.56

Finding the Fourth Proportional to 10,803.75, 16,208.36 and 3,012.56

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Solution

The fourth proportional to 10,803.75, 16,208.36 and 3,012.56 is: 4,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.75 : 16,208.36 = 3,012.56 : x
  2. Step 2: Convert to fraction form
    10,803.75/16,208.36 = 3,012.56/x
  3. Step 3: Cross multiply
    10,803.75x = 16,208.36 × 3,012.56
  4. Step 4: Simplify right side
    10,803.75x = 48,828,693.76
  5. Step 5: Solve for x
    x = 48,828,693.76/10,803.75
  6. Step 6: Final answer
    x = 4,519.61

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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.