Home / 13,651.08-20,463.84-12,433.74

Finding the Fourth Proportional to 13,651.08, 20,463.84 and 12,433.74

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Solution

The fourth proportional to 13,651.08, 20,463.84 and 12,433.74 is: 18,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.08 : 20,463.84 = 12,433.74 : x
  2. Step 2: Convert to fraction form
    13,651.08/20,463.84 = 12,433.74/x
  3. Step 3: Cross multiply
    13,651.08x = 20,463.84 × 12,433.74
  4. Step 4: Simplify right side
    13,651.08x = 254,442,065.96
  5. Step 5: Solve for x
    x = 254,442,065.96/13,651.08
  6. Step 6: Final answer
    x = 18,638.97

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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.