Home / 9,176.49-12,568.68-8,637.89

Finding the Fourth Proportional to 9,176.49, 12,568.68 and 8,637.89

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Solution

The fourth proportional to 9,176.49, 12,568.68 and 8,637.89 is: 11,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.49 : 12,568.68 = 8,637.89 : x
  2. Step 2: Convert to fraction form
    9,176.49/12,568.68 = 8,637.89/x
  3. Step 3: Cross multiply
    9,176.49x = 12,568.68 × 8,637.89
  4. Step 4: Simplify right side
    9,176.49x = 108,566,812.44
  5. Step 5: Solve for x
    x = 108,566,812.44/9,176.49
  6. Step 6: Final answer
    x = 11,830.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.