Home / 11,209.84-16,816.99-3,812.32

Finding the Fourth Proportional to 11,209.84, 16,816.99 and 3,812.32

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Solution

The fourth proportional to 11,209.84, 16,816.99 and 3,812.32 is: 5,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.84 : 16,816.99 = 3,812.32 : x
  2. Step 2: Convert to fraction form
    11,209.84/16,816.99 = 3,812.32/x
  3. Step 3: Cross multiply
    11,209.84x = 16,816.99 × 3,812.32
  4. Step 4: Simplify right side
    11,209.84x = 64,111,747.32
  5. Step 5: Solve for x
    x = 64,111,747.32/11,209.84
  6. Step 6: Final answer
    x = 5,719.24

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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.