Home / 14,523.80-20,042.28-8,236.40

Finding the Fourth Proportional to 14,523.80, 20,042.28 and 8,236.40

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Solution

The fourth proportional to 14,523.80, 20,042.28 and 8,236.40 is: 11,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.80 : 20,042.28 = 8,236.40 : x
  2. Step 2: Convert to fraction form
    14,523.80/20,042.28 = 8,236.40/x
  3. Step 3: Cross multiply
    14,523.80x = 20,042.28 × 8,236.40
  4. Step 4: Simplify right side
    14,523.80x = 165,076,234.99
  5. Step 5: Solve for x
    x = 165,076,234.99/14,523.80
  6. Step 6: Final answer
    x = 11,365.91

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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.