Home / 10,812.12-16,216.32-3,019.08

Finding the Fourth Proportional to 10,812.12, 16,216.32 and 3,019.08

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Solution

The fourth proportional to 10,812.12, 16,216.32 and 3,019.08 is: 4,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.12 : 16,216.32 = 3,019.08 : x
  2. Step 2: Convert to fraction form
    10,812.12/16,216.32 = 3,019.08/x
  3. Step 3: Cross multiply
    10,812.12x = 16,216.32 × 3,019.08
  4. Step 4: Simplify right side
    10,812.12x = 48,958,367.39
  5. Step 5: Solve for x
    x = 48,958,367.39/10,812.12
  6. Step 6: Final answer
    x = 4,528.10

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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.