Home / 11,289.30-16,912.89-9,452.22

Finding the Fourth Proportional to 11,289.30, 16,912.89 and 9,452.22

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Solution

The fourth proportional to 11,289.30, 16,912.89 and 9,452.22 is: 14,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.30 : 16,912.89 = 9,452.22 : x
  2. Step 2: Convert to fraction form
    11,289.30/16,912.89 = 9,452.22/x
  3. Step 3: Cross multiply
    11,289.30x = 16,912.89 × 9,452.22
  4. Step 4: Simplify right side
    11,289.30x = 159,864,357.12
  5. Step 5: Solve for x
    x = 159,864,357.12/11,289.30
  6. Step 6: Final answer
    x = 14,160.70

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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.