Home / 19,577.65-29,366.21-4,786.69

Finding the Fourth Proportional to 19,577.65, 29,366.21 and 4,786.69

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Solution

The fourth proportional to 19,577.65, 29,366.21 and 4,786.69 is: 7,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.65 : 29,366.21 = 4,786.69 : x
  2. Step 2: Convert to fraction form
    19,577.65/29,366.21 = 4,786.69/x
  3. Step 3: Cross multiply
    19,577.65x = 29,366.21 × 4,786.69
  4. Step 4: Simplify right side
    19,577.65x = 140,566,919.81
  5. Step 5: Solve for x
    x = 140,566,919.81/19,577.65
  6. Step 6: Final answer
    x = 7,179.97

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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.