Home / 19,577.57-29,366.37-4,786.49

Finding the Fourth Proportional to 19,577.57, 29,366.37 and 4,786.49

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Solution

The fourth proportional to 19,577.57, 29,366.37 and 4,786.49 is: 7,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.57 : 29,366.37 = 4,786.49 : x
  2. Step 2: Convert to fraction form
    19,577.57/29,366.37 = 4,786.49/x
  3. Step 3: Cross multiply
    19,577.57x = 29,366.37 × 4,786.49
  4. Step 4: Simplify right side
    19,577.57x = 140,561,689.51
  5. Step 5: Solve for x
    x = 140,561,689.51/19,577.57
  6. Step 6: Final answer
    x = 7,179.73

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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.