Home / 11,074.96-16,609.20-9,122.32

Finding the Fourth Proportional to 11,074.96, 16,609.20 and 9,122.32

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Solution

The fourth proportional to 11,074.96, 16,609.20 and 9,122.32 is: 13,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.96 : 16,609.20 = 9,122.32 : x
  2. Step 2: Convert to fraction form
    11,074.96/16,609.20 = 9,122.32/x
  3. Step 3: Cross multiply
    11,074.96x = 16,609.20 × 9,122.32
  4. Step 4: Simplify right side
    11,074.96x = 151,514,437.34
  5. Step 5: Solve for x
    x = 151,514,437.34/11,074.96
  6. Step 6: Final answer
    x = 13,680.81

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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.