Home / 10,811.07-16,216.61-3,019.68

Finding the Fourth Proportional to 10,811.07, 16,216.61 and 3,019.68

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Solution

The fourth proportional to 10,811.07, 16,216.61 and 3,019.68 is: 4,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.07 : 16,216.61 = 3,019.68 : x
  2. Step 2: Convert to fraction form
    10,811.07/16,216.61 = 3,019.68/x
  3. Step 3: Cross multiply
    10,811.07x = 16,216.61 × 3,019.68
  4. Step 4: Simplify right side
    10,811.07x = 48,968,957.79
  5. Step 5: Solve for x
    x = 48,968,957.79/10,811.07
  6. Step 6: Final answer
    x = 4,529.52

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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.