Home / 14,153.05-21,209.67-11,178.43

Finding the Fourth Proportional to 14,153.05, 21,209.67 and 11,178.43

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Solution

The fourth proportional to 14,153.05, 21,209.67 and 11,178.43 is: 16,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.05 : 21,209.67 = 11,178.43 : x
  2. Step 2: Convert to fraction form
    14,153.05/21,209.67 = 11,178.43/x
  3. Step 3: Cross multiply
    14,153.05x = 21,209.67 × 11,178.43
  4. Step 4: Simplify right side
    14,153.05x = 237,090,849.49
  5. Step 5: Solve for x
    x = 237,090,849.49/14,153.05
  6. Step 6: Final answer
    x = 16,751.92

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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.