Home / 14,102.38-19,463.79-8,134.30

Finding the Fourth Proportional to 14,102.38, 19,463.79 and 8,134.30

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Solution

The fourth proportional to 14,102.38, 19,463.79 and 8,134.30 is: 11,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.38 : 19,463.79 = 8,134.30 : x
  2. Step 2: Convert to fraction form
    14,102.38/19,463.79 = 8,134.30/x
  3. Step 3: Cross multiply
    14,102.38x = 19,463.79 × 8,134.30
  4. Step 4: Simplify right side
    14,102.38x = 158,324,307.00
  5. Step 5: Solve for x
    x = 158,324,307.00/14,102.38
  6. Step 6: Final answer
    x = 11,226.78

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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.