Home / 11,156.73-16,721.42-6,711.63

Finding the Fourth Proportional to 11,156.73, 16,721.42 and 6,711.63

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Solution

The fourth proportional to 11,156.73, 16,721.42 and 6,711.63 is: 10,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.73 : 16,721.42 = 6,711.63 : x
  2. Step 2: Convert to fraction form
    11,156.73/16,721.42 = 6,711.63/x
  3. Step 3: Cross multiply
    11,156.73x = 16,721.42 × 6,711.63
  4. Step 4: Simplify right side
    11,156.73x = 112,227,950.56
  5. Step 5: Solve for x
    x = 112,227,950.56/11,156.73
  6. Step 6: Final answer
    x = 10,059.22

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1.5x scale

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.