Home / 9,154.72-13,732.08-3,309.96

Finding the Fourth Proportional to 9,154.72, 13,732.08 and 3,309.96

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Solution

The fourth proportional to 9,154.72, 13,732.08 and 3,309.96 is: 4,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.72 : 13,732.08 = 3,309.96 : x
  2. Step 2: Convert to fraction form
    9,154.72/13,732.08 = 3,309.96/x
  3. Step 3: Cross multiply
    9,154.72x = 13,732.08 × 3,309.96
  4. Step 4: Simplify right side
    9,154.72x = 45,452,674.60
  5. Step 5: Solve for x
    x = 45,452,674.60/9,154.72
  6. Step 6: Final answer
    x = 4,964.94

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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.