Home / 11,412.72-17,044.08-9,855.96

Finding the Fourth Proportional to 11,412.72, 17,044.08 and 9,855.96

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Solution

The fourth proportional to 11,412.72, 17,044.08 and 9,855.96 is: 14,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.72 : 17,044.08 = 9,855.96 : x
  2. Step 2: Convert to fraction form
    11,412.72/17,044.08 = 9,855.96/x
  3. Step 3: Cross multiply
    11,412.72x = 17,044.08 × 9,855.96
  4. Step 4: Simplify right side
    11,412.72x = 167,985,770.72
  5. Step 5: Solve for x
    x = 167,985,770.72/11,412.72
  6. Step 6: Final answer
    x = 14,719.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.