Home / 11,104.80-16,657.20-9,765.60

Finding the Fourth Proportional to 11,104.80, 16,657.20 and 9,765.60

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Solution

The fourth proportional to 11,104.80, 16,657.20 and 9,765.60 is: 14,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.80 : 16,657.20 = 9,765.60 : x
  2. Step 2: Convert to fraction form
    11,104.80/16,657.20 = 9,765.60/x
  3. Step 3: Cross multiply
    11,104.80x = 16,657.20 × 9,765.60
  4. Step 4: Simplify right side
    11,104.80x = 162,667,552.32
  5. Step 5: Solve for x
    x = 162,667,552.32/11,104.80
  6. Step 6: Final answer
    x = 14,648.40

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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.