Home / 18,228.45-27,343.80-5,748.90

Finding the Fourth Proportional to 18,228.45, 27,343.80 and 5,748.90

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Solution

The fourth proportional to 18,228.45, 27,343.80 and 5,748.90 is: 8,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.45 : 27,343.80 = 5,748.90 : x
  2. Step 2: Convert to fraction form
    18,228.45/27,343.80 = 5,748.90/x
  3. Step 3: Cross multiply
    18,228.45x = 27,343.80 × 5,748.90
  4. Step 4: Simplify right side
    18,228.45x = 157,196,771.82
  5. Step 5: Solve for x
    x = 157,196,771.82/18,228.45
  6. Step 6: Final answer
    x = 8,623.70

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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.