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Finding the Fourth Proportional to 12,470.63, 17,209.49 and 6,881.63

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Solution

The fourth proportional to 12,470.63, 17,209.49 and 6,881.63 is: 9,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.63 : 17,209.49 = 6,881.63 : x
  2. Step 2: Convert to fraction form
    12,470.63/17,209.49 = 6,881.63/x
  3. Step 3: Cross multiply
    12,470.63x = 17,209.49 × 6,881.63
  4. Step 4: Simplify right side
    12,470.63x = 118,429,222.21
  5. Step 5: Solve for x
    x = 118,429,222.21/12,470.63
  6. Step 6: Final answer
    x = 9,496.65

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