Home / 18,106.72-27,165.96-8,747.80

Finding the Fourth Proportional to 18,106.72, 27,165.96 and 8,747.80

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Solution

The fourth proportional to 18,106.72, 27,165.96 and 8,747.80 is: 13,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.72 : 27,165.96 = 8,747.80 : x
  2. Step 2: Convert to fraction form
    18,106.72/27,165.96 = 8,747.80/x
  3. Step 3: Cross multiply
    18,106.72x = 27,165.96 × 8,747.80
  4. Step 4: Simplify right side
    18,106.72x = 237,642,384.89
  5. Step 5: Solve for x
    x = 237,642,384.89/18,106.72
  6. Step 6: Final answer
    x = 13,124.54

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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.