Home / 9,439.62-14,147.66-8,267.16

Finding the Fourth Proportional to 9,439.62, 14,147.66 and 8,267.16

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Solution

The fourth proportional to 9,439.62, 14,147.66 and 8,267.16 is: 12,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.62 : 14,147.66 = 8,267.16 : x
  2. Step 2: Convert to fraction form
    9,439.62/14,147.66 = 8,267.16/x
  3. Step 3: Cross multiply
    9,439.62x = 14,147.66 × 8,267.16
  4. Step 4: Simplify right side
    9,439.62x = 116,960,968.85
  5. Step 5: Solve for x
    x = 116,960,968.85/9,439.62
  6. Step 6: Final answer
    x = 12,390.43

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1.5x scale

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.