Home / 14,816.57-20,446.04-8,100.86

Finding the Fourth Proportional to 14,816.57, 20,446.04 and 8,100.86

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Solution

The fourth proportional to 14,816.57, 20,446.04 and 8,100.86 is: 11,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.57 : 20,446.04 = 8,100.86 : x
  2. Step 2: Convert to fraction form
    14,816.57/20,446.04 = 8,100.86/x
  3. Step 3: Cross multiply
    14,816.57x = 20,446.04 × 8,100.86
  4. Step 4: Simplify right side
    14,816.57x = 165,630,578.96
  5. Step 5: Solve for x
    x = 165,630,578.96/14,816.57
  6. Step 6: Final answer
    x = 11,178.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.