Home / 11,554.89-17,332.38-2,789.79

Finding the Fourth Proportional to 11,554.89, 17,332.38 and 2,789.79

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Solution

The fourth proportional to 11,554.89, 17,332.38 and 2,789.79 is: 4,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.89 : 17,332.38 = 2,789.79 : x
  2. Step 2: Convert to fraction form
    11,554.89/17,332.38 = 2,789.79/x
  3. Step 3: Cross multiply
    11,554.89x = 17,332.38 × 2,789.79
  4. Step 4: Simplify right side
    11,554.89x = 48,353,700.40
  5. Step 5: Solve for x
    x = 48,353,700.40/11,554.89
  6. Step 6: Final answer
    x = 4,184.70

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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.