Home / 12,464.92-17,209.56-7,755.58

Finding the Fourth Proportional to 12,464.92, 17,209.56 and 7,755.58

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Solution

The fourth proportional to 12,464.92, 17,209.56 and 7,755.58 is: 10,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.92 : 17,209.56 = 7,755.58 : x
  2. Step 2: Convert to fraction form
    12,464.92/17,209.56 = 7,755.58/x
  3. Step 3: Cross multiply
    12,464.92x = 17,209.56 × 7,755.58
  4. Step 4: Simplify right side
    12,464.92x = 133,470,119.34
  5. Step 5: Solve for x
    x = 133,470,119.34/12,464.92
  6. Step 6: Final answer
    x = 10,707.66

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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.