Home / 13,423.34-20,137.80-4,063.88

Finding the Fourth Proportional to 13,423.34, 20,137.80 and 4,063.88

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Solution

The fourth proportional to 13,423.34, 20,137.80 and 4,063.88 is: 6,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.34 : 20,137.80 = 4,063.88 : x
  2. Step 2: Convert to fraction form
    13,423.34/20,137.80 = 4,063.88/x
  3. Step 3: Cross multiply
    13,423.34x = 20,137.80 × 4,063.88
  4. Step 4: Simplify right side
    13,423.34x = 81,837,602.66
  5. Step 5: Solve for x
    x = 81,837,602.66/13,423.34
  6. Step 6: Final answer
    x = 6,096.66

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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.