Home / 13,207.42-19,791.69-5,805.10

Finding the Fourth Proportional to 13,207.42, 19,791.69 and 5,805.10

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Solution

The fourth proportional to 13,207.42, 19,791.69 and 5,805.10 is: 8,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.42 : 19,791.69 = 5,805.10 : x
  2. Step 2: Convert to fraction form
    13,207.42/19,791.69 = 5,805.10/x
  3. Step 3: Cross multiply
    13,207.42x = 19,791.69 × 5,805.10
  4. Step 4: Simplify right side
    13,207.42x = 114,892,810.87
  5. Step 5: Solve for x
    x = 114,892,810.87/13,207.42
  6. Step 6: Final answer
    x = 8,699.11

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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.