Home / 19,438.97-29,155.14-5,207.54

Finding the Fourth Proportional to 19,438.97, 29,155.14 and 5,207.54

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Solution

The fourth proportional to 19,438.97, 29,155.14 and 5,207.54 is: 7,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.97 : 29,155.14 = 5,207.54 : x
  2. Step 2: Convert to fraction form
    19,438.97/29,155.14 = 5,207.54/x
  3. Step 3: Cross multiply
    19,438.97x = 29,155.14 × 5,207.54
  4. Step 4: Simplify right side
    19,438.97x = 151,826,411.98
  5. Step 5: Solve for x
    x = 151,826,411.98/19,438.97
  6. Step 6: Final answer
    x = 7,810.42

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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.