Home / 11,124.30-16,682.40-5,575.80

Finding the Fourth Proportional to 11,124.30, 16,682.40 and 5,575.80

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Solution

The fourth proportional to 11,124.30, 16,682.40 and 5,575.80 is: 8,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.30 : 16,682.40 = 5,575.80 : x
  2. Step 2: Convert to fraction form
    11,124.30/16,682.40 = 5,575.80/x
  3. Step 3: Cross multiply
    11,124.30x = 16,682.40 × 5,575.80
  4. Step 4: Simplify right side
    11,124.30x = 93,017,725.92
  5. Step 5: Solve for x
    x = 93,017,725.92/11,124.30
  6. Step 6: Final answer
    x = 8,361.67

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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.