Home / 14,439.87-21,654.34-5,670

Finding the Fourth Proportional to 14,439.87, 21,654.34 and 5,670

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Solution

The fourth proportional to 14,439.87, 21,654.34 and 5,670 is: 8,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.87 : 21,654.34 = 5,670 : x
  2. Step 2: Convert to fraction form
    14,439.87/21,654.34 = 5,670/x
  3. Step 3: Cross multiply
    14,439.87x = 21,654.34 × 5,670
  4. Step 4: Simplify right side
    14,439.87x = 122,780,093.63
  5. Step 5: Solve for x
    x = 122,780,093.63/14,439.87
  6. Step 6: Final answer
    x = 8,502.85

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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.