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Finding the Fourth Proportional to 12,460.64, 17,195.69 and 6,795.39

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Solution

The fourth proportional to 12,460.64, 17,195.69 and 6,795.39 is: 9,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.64 : 17,195.69 = 6,795.39 : x
  2. Step 2: Convert to fraction form
    12,460.64/17,195.69 = 6,795.39/x
  3. Step 3: Cross multiply
    12,460.64x = 17,195.69 × 6,795.39
  4. Step 4: Simplify right side
    12,460.64x = 116,851,501.34
  5. Step 5: Solve for x
    x = 116,851,501.34/12,460.64
  6. Step 6: Final answer
    x = 9,377.65

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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.