Home / 18,018.84-27,040.26-6,331.88

Finding the Fourth Proportional to 18,018.84, 27,040.26 and 6,331.88

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Solution

The fourth proportional to 18,018.84, 27,040.26 and 6,331.88 is: 9,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.84 : 27,040.26 = 6,331.88 : x
  2. Step 2: Convert to fraction form
    18,018.84/27,040.26 = 6,331.88/x
  3. Step 3: Cross multiply
    18,018.84x = 27,040.26 × 6,331.88
  4. Step 4: Simplify right side
    18,018.84x = 171,215,681.49
  5. Step 5: Solve for x
    x = 171,215,681.49/18,018.84
  6. Step 6: Final answer
    x = 9,502.04

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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.