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Finding the Fourth Proportional to 12,514.91, 18,754.84 and 8,303.11

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Solution

The fourth proportional to 12,514.91, 18,754.84 and 8,303.11 is: 12,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.91 : 18,754.84 = 8,303.11 : x
  2. Step 2: Convert to fraction form
    12,514.91/18,754.84 = 8,303.11/x
  3. Step 3: Cross multiply
    12,514.91x = 18,754.84 × 8,303.11
  4. Step 4: Simplify right side
    12,514.91x = 155,723,463.04
  5. Step 5: Solve for x
    x = 155,723,463.04/12,514.91
  6. Step 6: Final answer
    x = 12,443.04

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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.