Home / 18,157.71-27,222.75-9,387.03

Finding the Fourth Proportional to 18,157.71, 27,222.75 and 9,387.03

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Solution

The fourth proportional to 18,157.71, 27,222.75 and 9,387.03 is: 14,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.71 : 27,222.75 = 9,387.03 : x
  2. Step 2: Convert to fraction form
    18,157.71/27,222.75 = 9,387.03/x
  3. Step 3: Cross multiply
    18,157.71x = 27,222.75 × 9,387.03
  4. Step 4: Simplify right side
    18,157.71x = 255,540,770.93
  5. Step 5: Solve for x
    x = 255,540,770.93/18,157.71
  6. Step 6: Final answer
    x = 14,073.40

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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.