Home / 12,724.22-17,574.75-11,126.79

Finding the Fourth Proportional to 12,724.22, 17,574.75 and 11,126.79

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Solution

The fourth proportional to 12,724.22, 17,574.75 and 11,126.79 is: 15,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.22 : 17,574.75 = 11,126.79 : x
  2. Step 2: Convert to fraction form
    12,724.22/17,574.75 = 11,126.79/x
  3. Step 3: Cross multiply
    12,724.22x = 17,574.75 × 11,126.79
  4. Step 4: Simplify right side
    12,724.22x = 195,550,552.55
  5. Step 5: Solve for x
    x = 195,550,552.55/12,724.22
  6. Step 6: Final answer
    x = 15,368.37

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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.