Home / 11,161.08-16,744.42-7,880.58

Finding the Fourth Proportional to 11,161.08, 16,744.42 and 7,880.58

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Solution

The fourth proportional to 11,161.08, 16,744.42 and 7,880.58 is: 11,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.08 : 16,744.42 = 7,880.58 : x
  2. Step 2: Convert to fraction form
    11,161.08/16,744.42 = 7,880.58/x
  3. Step 3: Cross multiply
    11,161.08x = 16,744.42 × 7,880.58
  4. Step 4: Simplify right side
    11,161.08x = 131,955,741.36
  5. Step 5: Solve for x
    x = 131,955,741.36/11,161.08
  6. Step 6: Final answer
    x = 11,822.85

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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.