Home / 12,724.26-17,559.48-7,135.26

Finding the Fourth Proportional to 12,724.26, 17,559.48 and 7,135.26

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Solution

The fourth proportional to 12,724.26, 17,559.48 and 7,135.26 is: 9,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.26 : 17,559.48 = 7,135.26 : x
  2. Step 2: Convert to fraction form
    12,724.26/17,559.48 = 7,135.26/x
  3. Step 3: Cross multiply
    12,724.26x = 17,559.48 × 7,135.26
  4. Step 4: Simplify right side
    12,724.26x = 125,291,455.26
  5. Step 5: Solve for x
    x = 125,291,455.26/12,724.26
  6. Step 6: Final answer
    x = 9,846.66

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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.