Home / 9,139.23-13,706.82-2,565.27

Finding the Fourth Proportional to 9,139.23, 13,706.82 and 2,565.27

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Solution

The fourth proportional to 9,139.23, 13,706.82 and 2,565.27 is: 3,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.23 : 13,706.82 = 2,565.27 : x
  2. Step 2: Convert to fraction form
    9,139.23/13,706.82 = 2,565.27/x
  3. Step 3: Cross multiply
    9,139.23x = 13,706.82 × 2,565.27
  4. Step 4: Simplify right side
    9,139.23x = 35,161,694.14
  5. Step 5: Solve for x
    x = 35,161,694.14/9,139.23
  6. Step 6: Final answer
    x = 3,847.34

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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.