Home / 21,335.62-32,007.55-8,186.97

Finding the Fourth Proportional to 21,335.62, 32,007.55 and 8,186.97

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Solution

The fourth proportional to 21,335.62, 32,007.55 and 8,186.97 is: 12,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.62 : 32,007.55 = 8,186.97 : x
  2. Step 2: Convert to fraction form
    21,335.62/32,007.55 = 8,186.97/x
  3. Step 3: Cross multiply
    21,335.62x = 32,007.55 × 8,186.97
  4. Step 4: Simplify right side
    21,335.62x = 262,044,712.05
  5. Step 5: Solve for x
    x = 262,044,712.05/21,335.62
  6. Step 6: Final answer
    x = 12,282.03

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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.