Home / 9,679.62-14,519.52-3,439.74

Finding the Fourth Proportional to 9,679.62, 14,519.52 and 3,439.74

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Solution

The fourth proportional to 9,679.62, 14,519.52 and 3,439.74 is: 5,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.62 : 14,519.52 = 3,439.74 : x
  2. Step 2: Convert to fraction form
    9,679.62/14,519.52 = 3,439.74/x
  3. Step 3: Cross multiply
    9,679.62x = 14,519.52 × 3,439.74
  4. Step 4: Simplify right side
    9,679.62x = 49,943,373.72
  5. Step 5: Solve for x
    x = 49,943,373.72/9,679.62
  6. Step 6: Final answer
    x = 5,159.64

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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.