Home / 14,310.07-21,462.67-3,780.20

Finding the Fourth Proportional to 14,310.07, 21,462.67 and 3,780.20

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Solution

The fourth proportional to 14,310.07, 21,462.67 and 3,780.20 is: 5,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.07 : 21,462.67 = 3,780.20 : x
  2. Step 2: Convert to fraction form
    14,310.07/21,462.67 = 3,780.20/x
  3. Step 3: Cross multiply
    14,310.07x = 21,462.67 × 3,780.20
  4. Step 4: Simplify right side
    14,310.07x = 81,133,243.52
  5. Step 5: Solve for x
    x = 81,133,243.52/14,310.07
  6. Step 6: Final answer
    x = 5,669.66

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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.