Home / 18,018.12-27,039.49-6,331.34

Finding the Fourth Proportional to 18,018.12, 27,039.49 and 6,331.34

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Solution

The fourth proportional to 18,018.12, 27,039.49 and 6,331.34 is: 9,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.12 : 27,039.49 = 6,331.34 : x
  2. Step 2: Convert to fraction form
    18,018.12/27,039.49 = 6,331.34/x
  3. Step 3: Cross multiply
    18,018.12x = 27,039.49 × 6,331.34
  4. Step 4: Simplify right side
    18,018.12x = 171,196,172.96
  5. Step 5: Solve for x
    x = 171,196,172.96/18,018.12
  6. Step 6: Final answer
    x = 9,501.33

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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.