Home / 14,520.62-20,042.16-8,236.64

Finding the Fourth Proportional to 14,520.62, 20,042.16 and 8,236.64

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Solution

The fourth proportional to 14,520.62, 20,042.16 and 8,236.64 is: 11,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.62 : 20,042.16 = 8,236.64 : x
  2. Step 2: Convert to fraction form
    14,520.62/20,042.16 = 8,236.64/x
  3. Step 3: Cross multiply
    14,520.62x = 20,042.16 × 8,236.64
  4. Step 4: Simplify right side
    14,520.62x = 165,080,056.74
  5. Step 5: Solve for x
    x = 165,080,056.74/14,520.62
  6. Step 6: Final answer
    x = 11,368.66

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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.