Home / 14,006.43-21,013.73-4,145.95

Finding the Fourth Proportional to 14,006.43, 21,013.73 and 4,145.95

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Solution

The fourth proportional to 14,006.43, 21,013.73 and 4,145.95 is: 6,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.43 : 21,013.73 = 4,145.95 : x
  2. Step 2: Convert to fraction form
    14,006.43/21,013.73 = 4,145.95/x
  3. Step 3: Cross multiply
    14,006.43x = 21,013.73 × 4,145.95
  4. Step 4: Simplify right side
    14,006.43x = 87,121,873.89
  5. Step 5: Solve for x
    x = 87,121,873.89/14,006.43
  6. Step 6: Final answer
    x = 6,220.13

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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.