Home / 18,148.20-27,222.24-5,000.64

Finding the Fourth Proportional to 18,148.20, 27,222.24 and 5,000.64

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Solution

The fourth proportional to 18,148.20, 27,222.24 and 5,000.64 is: 7,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.20 : 27,222.24 = 5,000.64 : x
  2. Step 2: Convert to fraction form
    18,148.20/27,222.24 = 5,000.64/x
  3. Step 3: Cross multiply
    18,148.20x = 27,222.24 × 5,000.64
  4. Step 4: Simplify right side
    18,148.20x = 136,128,622.23
  5. Step 5: Solve for x
    x = 136,128,622.23/18,148.20
  6. Step 6: Final answer
    x = 7,500.94

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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.