Home / 14,635.85-21,938.03-6,319.79

Finding the Fourth Proportional to 14,635.85, 21,938.03 and 6,319.79

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Solution

The fourth proportional to 14,635.85, 21,938.03 and 6,319.79 is: 9,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.85 : 21,938.03 = 6,319.79 : x
  2. Step 2: Convert to fraction form
    14,635.85/21,938.03 = 6,319.79/x
  3. Step 3: Cross multiply
    14,635.85x = 21,938.03 × 6,319.79
  4. Step 4: Simplify right side
    14,635.85x = 138,643,632.92
  5. Step 5: Solve for x
    x = 138,643,632.92/14,635.85
  6. Step 6: Final answer
    x = 9,472.88

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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.