Home / 12,117.64-18,175.80-3,352.60

Finding the Fourth Proportional to 12,117.64, 18,175.80 and 3,352.60

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Solution

The fourth proportional to 12,117.64, 18,175.80 and 3,352.60 is: 5,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.64 : 18,175.80 = 3,352.60 : x
  2. Step 2: Convert to fraction form
    12,117.64/18,175.80 = 3,352.60/x
  3. Step 3: Cross multiply
    12,117.64x = 18,175.80 × 3,352.60
  4. Step 4: Simplify right side
    12,117.64x = 60,936,187.08
  5. Step 5: Solve for x
    x = 60,936,187.08/12,117.64
  6. Step 6: Final answer
    x = 5,028.72

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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.