Home / 13,288.82-19,915.83-6,711.44

Finding the Fourth Proportional to 13,288.82, 19,915.83 and 6,711.44

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Solution

The fourth proportional to 13,288.82, 19,915.83 and 6,711.44 is: 10,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.82 : 19,915.83 = 6,711.44 : x
  2. Step 2: Convert to fraction form
    13,288.82/19,915.83 = 6,711.44/x
  3. Step 3: Cross multiply
    13,288.82x = 19,915.83 × 6,711.44
  4. Step 4: Simplify right side
    13,288.82x = 133,663,898.10
  5. Step 5: Solve for x
    x = 133,663,898.10/13,288.82
  6. Step 6: Final answer
    x = 10,058.37

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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.