Home / 11,623.60-16,032.32-7,149.88

Finding the Fourth Proportional to 11,623.60, 16,032.32 and 7,149.88

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Solution

The fourth proportional to 11,623.60, 16,032.32 and 7,149.88 is: 9,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.60 : 16,032.32 = 7,149.88 : x
  2. Step 2: Convert to fraction form
    11,623.60/16,032.32 = 7,149.88/x
  3. Step 3: Cross multiply
    11,623.60x = 16,032.32 × 7,149.88
  4. Step 4: Simplify right side
    11,623.60x = 114,629,164.12
  5. Step 5: Solve for x
    x = 114,629,164.12/11,623.60
  6. Step 6: Final answer
    x = 9,861.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.