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Finding the Fourth Proportional to 10,169.74, 14,034 and 5,693.68

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Solution

The fourth proportional to 10,169.74, 14,034 and 5,693.68 is: 7,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.74 : 14,034 = 5,693.68 : x
  2. Step 2: Convert to fraction form
    10,169.74/14,034 = 5,693.68/x
  3. Step 3: Cross multiply
    10,169.74x = 14,034 × 5,693.68
  4. Step 4: Simplify right side
    10,169.74x = 79,905,105.12
  5. Step 5: Solve for x
    x = 79,905,105.12/10,169.74
  6. Step 6: Final answer
    x = 7,857.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.