Home / 18,090.47-27,146.37-6,998.06

Finding the Fourth Proportional to 18,090.47, 27,146.37 and 6,998.06

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Solution

The fourth proportional to 18,090.47, 27,146.37 and 6,998.06 is: 10,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.47 : 27,146.37 = 6,998.06 : x
  2. Step 2: Convert to fraction form
    18,090.47/27,146.37 = 6,998.06/x
  3. Step 3: Cross multiply
    18,090.47x = 27,146.37 × 6,998.06
  4. Step 4: Simplify right side
    18,090.47x = 189,971,926.04
  5. Step 5: Solve for x
    x = 189,971,926.04/18,090.47
  6. Step 6: Final answer
    x = 10,501.22

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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.