Home / 13,483.41-20,225.04-3,621.87

Finding the Fourth Proportional to 13,483.41, 20,225.04 and 3,621.87

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Solution

The fourth proportional to 13,483.41, 20,225.04 and 3,621.87 is: 5,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.41 : 20,225.04 = 3,621.87 : x
  2. Step 2: Convert to fraction form
    13,483.41/20,225.04 = 3,621.87/x
  3. Step 3: Cross multiply
    13,483.41x = 20,225.04 × 3,621.87
  4. Step 4: Simplify right side
    13,483.41x = 73,252,465.62
  5. Step 5: Solve for x
    x = 73,252,465.62/13,483.41
  6. Step 6: Final answer
    x = 5,432.78

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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.