Home / 18,725.40-28,085.03-6,245.52

Finding the Fourth Proportional to 18,725.40, 28,085.03 and 6,245.52

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Solution

The fourth proportional to 18,725.40, 28,085.03 and 6,245.52 is: 9,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.40 : 28,085.03 = 6,245.52 : x
  2. Step 2: Convert to fraction form
    18,725.40/28,085.03 = 6,245.52/x
  3. Step 3: Cross multiply
    18,725.40x = 28,085.03 × 6,245.52
  4. Step 4: Simplify right side
    18,725.40x = 175,405,585.34
  5. Step 5: Solve for x
    x = 175,405,585.34/18,725.40
  6. Step 6: Final answer
    x = 9,367.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.