Home / 13,818.28-19,063.82-8,503.87

Finding the Fourth Proportional to 13,818.28, 19,063.82 and 8,503.87

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Solution

The fourth proportional to 13,818.28, 19,063.82 and 8,503.87 is: 11,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.28 : 19,063.82 = 8,503.87 : x
  2. Step 2: Convert to fraction form
    13,818.28/19,063.82 = 8,503.87/x
  3. Step 3: Cross multiply
    13,818.28x = 19,063.82 × 8,503.87
  4. Step 4: Simplify right side
    13,818.28x = 162,116,246.98
  5. Step 5: Solve for x
    x = 162,116,246.98/13,818.28
  6. Step 6: Final answer
    x = 11,732.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.