Home / 12,558.80-17,326.36-7,251.68

Finding the Fourth Proportional to 12,558.80, 17,326.36 and 7,251.68

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Solution

The fourth proportional to 12,558.80, 17,326.36 and 7,251.68 is: 10,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.80 : 17,326.36 = 7,251.68 : x
  2. Step 2: Convert to fraction form
    12,558.80/17,326.36 = 7,251.68/x
  3. Step 3: Cross multiply
    12,558.80x = 17,326.36 × 7,251.68
  4. Step 4: Simplify right side
    12,558.80x = 125,645,218.28
  5. Step 5: Solve for x
    x = 125,645,218.28/12,558.80
  6. Step 6: Final answer
    x = 10,004.56

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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.