Home / 14,521.86-20,042.13-8,234.64

Finding the Fourth Proportional to 14,521.86, 20,042.13 and 8,234.64

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Solution

The fourth proportional to 14,521.86, 20,042.13 and 8,234.64 is: 11,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.86 : 20,042.13 = 8,234.64 : x
  2. Step 2: Convert to fraction form
    14,521.86/20,042.13 = 8,234.64/x
  3. Step 3: Cross multiply
    14,521.86x = 20,042.13 × 8,234.64
  4. Step 4: Simplify right side
    14,521.86x = 165,039,725.38
  5. Step 5: Solve for x
    x = 165,039,725.38/14,521.86
  6. Step 6: Final answer
    x = 11,364.92

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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.