Home / 18,239.12-27,331.33-14,072.88

Finding the Fourth Proportional to 18,239.12, 27,331.33 and 14,072.88

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Solution

The fourth proportional to 18,239.12, 27,331.33 and 14,072.88 is: 21,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.12 : 27,331.33 = 14,072.88 : x
  2. Step 2: Convert to fraction form
    18,239.12/27,331.33 = 14,072.88/x
  3. Step 3: Cross multiply
    18,239.12x = 27,331.33 × 14,072.88
  4. Step 4: Simplify right side
    18,239.12x = 384,630,527.33
  5. Step 5: Solve for x
    x = 384,630,527.33/18,239.12
  6. Step 6: Final answer
    x = 21,088.22

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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.