Home / 18,281.09-25,228.37-11,211.41

Finding the Fourth Proportional to 18,281.09, 25,228.37 and 11,211.41

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Solution

The fourth proportional to 18,281.09, 25,228.37 and 11,211.41 is: 15,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.09 : 25,228.37 = 11,211.41 : x
  2. Step 2: Convert to fraction form
    18,281.09/25,228.37 = 11,211.41/x
  3. Step 3: Cross multiply
    18,281.09x = 25,228.37 × 11,211.41
  4. Step 4: Simplify right side
    18,281.09x = 282,845,599.70
  5. Step 5: Solve for x
    x = 282,845,599.70/18,281.09
  6. Step 6: Final answer
    x = 15,472.03

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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.