Home / 11,175.60-16,762.86-4,155.60

Finding the Fourth Proportional to 11,175.60, 16,762.86 and 4,155.60

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Solution

The fourth proportional to 11,175.60, 16,762.86 and 4,155.60 is: 6,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.60 : 16,762.86 = 4,155.60 : x
  2. Step 2: Convert to fraction form
    11,175.60/16,762.86 = 4,155.60/x
  3. Step 3: Cross multiply
    11,175.60x = 16,762.86 × 4,155.60
  4. Step 4: Simplify right side
    11,175.60x = 69,659,741.02
  5. Step 5: Solve for x
    x = 69,659,741.02/11,175.60
  6. Step 6: Final answer
    x = 6,233.20

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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.