Home / 9,138.34-13,706.27-2,565.03

Finding the Fourth Proportional to 9,138.34, 13,706.27 and 2,565.03

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Solution

The fourth proportional to 9,138.34, 13,706.27 and 2,565.03 is: 3,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.34 : 13,706.27 = 2,565.03 : x
  2. Step 2: Convert to fraction form
    9,138.34/13,706.27 = 2,565.03/x
  3. Step 3: Cross multiply
    9,138.34x = 13,706.27 × 2,565.03
  4. Step 4: Simplify right side
    9,138.34x = 35,156,993.74
  5. Step 5: Solve for x
    x = 35,156,993.74/9,138.34
  6. Step 6: Final answer
    x = 3,847.20

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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.