Home / 12,723.80-17,557.97-7,058.31

Finding the Fourth Proportional to 12,723.80, 17,557.97 and 7,058.31

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Solution

The fourth proportional to 12,723.80, 17,557.97 and 7,058.31 is: 9,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.80 : 17,557.97 = 7,058.31 : x
  2. Step 2: Convert to fraction form
    12,723.80/17,557.97 = 7,058.31/x
  3. Step 3: Cross multiply
    12,723.80x = 17,557.97 × 7,058.31
  4. Step 4: Simplify right side
    12,723.80x = 123,929,559.94
  5. Step 5: Solve for x
    x = 123,929,559.94/12,723.80
  6. Step 6: Final answer
    x = 9,739.98

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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.