Home / 18,090.61-27,133.20-6,995.92

Finding the Fourth Proportional to 18,090.61, 27,133.20 and 6,995.92

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Solution

The fourth proportional to 18,090.61, 27,133.20 and 6,995.92 is: 10,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.61 : 27,133.20 = 6,995.92 : x
  2. Step 2: Convert to fraction form
    18,090.61/27,133.20 = 6,995.92/x
  3. Step 3: Cross multiply
    18,090.61x = 27,133.20 × 6,995.92
  4. Step 4: Simplify right side
    18,090.61x = 189,821,696.54
  5. Step 5: Solve for x
    x = 189,821,696.54/18,090.61
  6. Step 6: Final answer
    x = 10,492.83

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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.