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Finding the Fourth Proportional to 14,403, 21,606.66 and 5,171.16

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Solution

The fourth proportional to 14,403, 21,606.66 and 5,171.16 is: 7,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403 : 21,606.66 = 5,171.16 : x
  2. Step 2: Convert to fraction form
    14,403/21,606.66 = 5,171.16/x
  3. Step 3: Cross multiply
    14,403x = 21,606.66 × 5,171.16
  4. Step 4: Simplify right side
    14,403x = 111,731,495.93
  5. Step 5: Solve for x
    x = 111,731,495.93/14,403
  6. Step 6: Final answer
    x = 7,757.52

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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.