Home / 18,282.34-25,230.09-11,212.66

Finding the Fourth Proportional to 18,282.34, 25,230.09 and 11,212.66

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Solution

The fourth proportional to 18,282.34, 25,230.09 and 11,212.66 is: 15,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.34 : 25,230.09 = 11,212.66 : x
  2. Step 2: Convert to fraction form
    18,282.34/25,230.09 = 11,212.66/x
  3. Step 3: Cross multiply
    18,282.34x = 25,230.09 × 11,212.66
  4. Step 4: Simplify right side
    18,282.34x = 282,896,420.94
  5. Step 5: Solve for x
    x = 282,896,420.94/18,282.34
  6. Step 6: Final answer
    x = 15,473.75

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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.