Home / 18,057.64-27,090.88-6,211.60

Finding the Fourth Proportional to 18,057.64, 27,090.88 and 6,211.60

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Solution

The fourth proportional to 18,057.64, 27,090.88 and 6,211.60 is: 9,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.64 : 27,090.88 = 6,211.60 : x
  2. Step 2: Convert to fraction form
    18,057.64/27,090.88 = 6,211.60/x
  3. Step 3: Cross multiply
    18,057.64x = 27,090.88 × 6,211.60
  4. Step 4: Simplify right side
    18,057.64x = 168,277,710.21
  5. Step 5: Solve for x
    x = 168,277,710.21/18,057.64
  6. Step 6: Final answer
    x = 9,318.92

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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.