Home / 18,018.36-27,031.70-6,331.64

Finding the Fourth Proportional to 18,018.36, 27,031.70 and 6,331.64

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Solution

The fourth proportional to 18,018.36, 27,031.70 and 6,331.64 is: 9,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.36 : 27,031.70 = 6,331.64 : x
  2. Step 2: Convert to fraction form
    18,018.36/27,031.70 = 6,331.64/x
  3. Step 3: Cross multiply
    18,018.36x = 27,031.70 × 6,331.64
  4. Step 4: Simplify right side
    18,018.36x = 171,154,992.99
  5. Step 5: Solve for x
    x = 171,154,992.99/18,018.36
  6. Step 6: Final answer
    x = 9,498.92

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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.