Home / 15,174.32-22,761.50-4,786.88

Finding the Fourth Proportional to 15,174.32, 22,761.50 and 4,786.88

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Solution

The fourth proportional to 15,174.32, 22,761.50 and 4,786.88 is: 7,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.32 : 22,761.50 = 4,786.88 : x
  2. Step 2: Convert to fraction form
    15,174.32/22,761.50 = 4,786.88/x
  3. Step 3: Cross multiply
    15,174.32x = 22,761.50 × 4,786.88
  4. Step 4: Simplify right side
    15,174.32x = 108,956,431.38
  5. Step 5: Solve for x
    x = 108,956,431.38/15,174.32
  6. Step 6: Final answer
    x = 7,180.32

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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.