Home / 18,459.89-27,704.41-6,776.45

Finding the Fourth Proportional to 18,459.89, 27,704.41 and 6,776.45

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Solution

The fourth proportional to 18,459.89, 27,704.41 and 6,776.45 is: 10,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.89 : 27,704.41 = 6,776.45 : x
  2. Step 2: Convert to fraction form
    18,459.89/27,704.41 = 6,776.45/x
  3. Step 3: Cross multiply
    18,459.89x = 27,704.41 × 6,776.45
  4. Step 4: Simplify right side
    18,459.89x = 187,737,549.14
  5. Step 5: Solve for x
    x = 187,737,549.14/18,459.89
  6. Step 6: Final answer
    x = 10,170.03

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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.