Home / 13,463.76-20,195.40-4,103.76

Finding the Fourth Proportional to 13,463.76, 20,195.40 and 4,103.76

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Solution

The fourth proportional to 13,463.76, 20,195.40 and 4,103.76 is: 6,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.76 : 20,195.40 = 4,103.76 : x
  2. Step 2: Convert to fraction form
    13,463.76/20,195.40 = 4,103.76/x
  3. Step 3: Cross multiply
    13,463.76x = 20,195.40 × 4,103.76
  4. Step 4: Simplify right side
    13,463.76x = 82,877,074.70
  5. Step 5: Solve for x
    x = 82,877,074.70/13,463.76
  6. Step 6: Final answer
    x = 6,155.57

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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.