Home / 14,433-21,537.81-12,877.80

Finding the Fourth Proportional to 14,433, 21,537.81 and 12,877.80

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Solution

The fourth proportional to 14,433, 21,537.81 and 12,877.80 is: 19,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433 : 21,537.81 = 12,877.80 : x
  2. Step 2: Convert to fraction form
    14,433/21,537.81 = 12,877.80/x
  3. Step 3: Cross multiply
    14,433x = 21,537.81 × 12,877.80
  4. Step 4: Simplify right side
    14,433x = 277,359,609.62
  5. Step 5: Solve for x
    x = 277,359,609.62/14,433
  6. Step 6: Final answer
    x = 19,217.04

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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.