Home / 18,117.08-27,175.70-4,969.60

Finding the Fourth Proportional to 18,117.08, 27,175.70 and 4,969.60

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Solution

The fourth proportional to 18,117.08, 27,175.70 and 4,969.60 is: 7,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.08 : 27,175.70 = 4,969.60 : x
  2. Step 2: Convert to fraction form
    18,117.08/27,175.70 = 4,969.60/x
  3. Step 3: Cross multiply
    18,117.08x = 27,175.70 × 4,969.60
  4. Step 4: Simplify right side
    18,117.08x = 135,052,358.72
  5. Step 5: Solve for x
    x = 135,052,358.72/18,117.08
  6. Step 6: Final answer
    x = 7,454.42

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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.