Home / 11,068.96-16,600.20-9,116.32

Finding the Fourth Proportional to 11,068.96, 16,600.20 and 9,116.32

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Solution

The fourth proportional to 11,068.96, 16,600.20 and 9,116.32 is: 13,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.96 : 16,600.20 = 9,116.32 : x
  2. Step 2: Convert to fraction form
    11,068.96/16,600.20 = 9,116.32/x
  3. Step 3: Cross multiply
    11,068.96x = 16,600.20 × 9,116.32
  4. Step 4: Simplify right side
    11,068.96x = 151,332,735.26
  5. Step 5: Solve for x
    x = 151,332,735.26/11,068.96
  6. Step 6: Final answer
    x = 13,671.81

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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.