Home / 12,551.77-17,319.52-7,245.56

Finding the Fourth Proportional to 12,551.77, 17,319.52 and 7,245.56

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Solution

The fourth proportional to 12,551.77, 17,319.52 and 7,245.56 is: 9,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.77 : 17,319.52 = 7,245.56 : x
  2. Step 2: Convert to fraction form
    12,551.77/17,319.52 = 7,245.56/x
  3. Step 3: Cross multiply
    12,551.77x = 17,319.52 × 7,245.56
  4. Step 4: Simplify right side
    12,551.77x = 125,489,673.69
  5. Step 5: Solve for x
    x = 125,489,673.69/12,551.77
  6. Step 6: Final answer
    x = 9,997.77

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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.