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Finding the Fourth Proportional to 12,530.96, 17,292.96 and 6,865.94

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Solution

The fourth proportional to 12,530.96, 17,292.96 and 6,865.94 is: 9,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.96 : 17,292.96 = 6,865.94 : x
  2. Step 2: Convert to fraction form
    12,530.96/17,292.96 = 6,865.94/x
  3. Step 3: Cross multiply
    12,530.96x = 17,292.96 × 6,865.94
  4. Step 4: Simplify right side
    12,530.96x = 118,732,425.78
  5. Step 5: Solve for x
    x = 118,732,425.78/12,530.96
  6. Step 6: Final answer
    x = 9,475.13

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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.