Home / 12,769.32-19,155.78-4,004.91

Finding the Fourth Proportional to 12,769.32, 19,155.78 and 4,004.91

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Solution

The fourth proportional to 12,769.32, 19,155.78 and 4,004.91 is: 6,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.32 : 19,155.78 = 4,004.91 : x
  2. Step 2: Convert to fraction form
    12,769.32/19,155.78 = 4,004.91/x
  3. Step 3: Cross multiply
    12,769.32x = 19,155.78 × 4,004.91
  4. Step 4: Simplify right side
    12,769.32x = 76,717,174.88
  5. Step 5: Solve for x
    x = 76,717,174.88/12,769.32
  6. Step 6: Final answer
    x = 6,007.93

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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.