Home / 13,423.54-20,138.46-4,063.63

Finding the Fourth Proportional to 13,423.54, 20,138.46 and 4,063.63

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Solution

The fourth proportional to 13,423.54, 20,138.46 and 4,063.63 is: 6,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.54 : 20,138.46 = 4,063.63 : x
  2. Step 2: Convert to fraction form
    13,423.54/20,138.46 = 4,063.63/x
  3. Step 3: Cross multiply
    13,423.54x = 20,138.46 × 4,063.63
  4. Step 4: Simplify right side
    13,423.54x = 81,835,250.21
  5. Step 5: Solve for x
    x = 81,835,250.21/13,423.54
  6. Step 6: Final answer
    x = 6,096.40

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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.