Home / 11,169.60-16,732.48-9,091.84

Finding the Fourth Proportional to 11,169.60, 16,732.48 and 9,091.84

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Solution

The fourth proportional to 11,169.60, 16,732.48 and 9,091.84 is: 13,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.60 : 16,732.48 = 9,091.84 : x
  2. Step 2: Convert to fraction form
    11,169.60/16,732.48 = 9,091.84/x
  3. Step 3: Cross multiply
    11,169.60x = 16,732.48 × 9,091.84
  4. Step 4: Simplify right side
    11,169.60x = 152,129,030.96
  5. Step 5: Solve for x
    x = 152,129,030.96/11,169.60
  6. Step 6: Final answer
    x = 13,619.92

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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.