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Finding the Fourth Proportional to 12,434.73, 17,159.93 and 6,845.73

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Solution

The fourth proportional to 12,434.73, 17,159.93 and 6,845.73 is: 9,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.73 : 17,159.93 = 6,845.73 : x
  2. Step 2: Convert to fraction form
    12,434.73/17,159.93 = 6,845.73/x
  3. Step 3: Cross multiply
    12,434.73x = 17,159.93 × 6,845.73
  4. Step 4: Simplify right side
    12,434.73x = 117,472,213.37
  5. Step 5: Solve for x
    x = 117,472,213.37/12,434.73
  6. Step 6: Final answer
    x = 9,447.11

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1.5x scale

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.