Home / 11,209.88-16,817.40-5,202.92

Finding the Fourth Proportional to 11,209.88, 16,817.40 and 5,202.92

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Solution

The fourth proportional to 11,209.88, 16,817.40 and 5,202.92 is: 7,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.88 : 16,817.40 = 5,202.92 : x
  2. Step 2: Convert to fraction form
    11,209.88/16,817.40 = 5,202.92/x
  3. Step 3: Cross multiply
    11,209.88x = 16,817.40 × 5,202.92
  4. Step 4: Simplify right side
    11,209.88x = 87,499,586.81
  5. Step 5: Solve for x
    x = 87,499,586.81/11,209.88
  6. Step 6: Final answer
    x = 7,805.58

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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.