Home / 9,869.33-14,731.99-8,623.75

Finding the Fourth Proportional to 9,869.33, 14,731.99 and 8,623.75

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Solution

The fourth proportional to 9,869.33, 14,731.99 and 8,623.75 is: 12,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.33 : 14,731.99 = 8,623.75 : x
  2. Step 2: Convert to fraction form
    9,869.33/14,731.99 = 8,623.75/x
  3. Step 3: Cross multiply
    9,869.33x = 14,731.99 × 8,623.75
  4. Step 4: Simplify right side
    9,869.33x = 127,044,998.76
  5. Step 5: Solve for x
    x = 127,044,998.76/9,869.33
  6. Step 6: Final answer
    x = 12,872.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.