Home / 9,159.62-12,638.67-5,623.97

Finding the Fourth Proportional to 9,159.62, 12,638.67 and 5,623.97

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Solution

The fourth proportional to 9,159.62, 12,638.67 and 5,623.97 is: 7,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.62 : 12,638.67 = 5,623.97 : x
  2. Step 2: Convert to fraction form
    9,159.62/12,638.67 = 5,623.97/x
  3. Step 3: Cross multiply
    9,159.62x = 12,638.67 × 5,623.97
  4. Step 4: Simplify right side
    9,159.62x = 71,079,500.92
  5. Step 5: Solve for x
    x = 71,079,500.92/9,159.62
  6. Step 6: Final answer
    x = 7,760.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.