Home / 18,277.12-25,220.91-10,722.66

Finding the Fourth Proportional to 18,277.12, 25,220.91 and 10,722.66

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Solution

The fourth proportional to 18,277.12, 25,220.91 and 10,722.66 is: 14,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.12 : 25,220.91 = 10,722.66 : x
  2. Step 2: Convert to fraction form
    18,277.12/25,220.91 = 10,722.66/x
  3. Step 3: Cross multiply
    18,277.12x = 25,220.91 × 10,722.66
  4. Step 4: Simplify right side
    18,277.12x = 270,435,242.82
  5. Step 5: Solve for x
    x = 270,435,242.82/18,277.12
  6. Step 6: Final answer
    x = 14,796.38

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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.