Home / 18,735.40-28,104.27-6,256.54

Finding the Fourth Proportional to 18,735.40, 28,104.27 and 6,256.54

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Solution

The fourth proportional to 18,735.40, 28,104.27 and 6,256.54 is: 9,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.40 : 28,104.27 = 6,256.54 : x
  2. Step 2: Convert to fraction form
    18,735.40/28,104.27 = 6,256.54/x
  3. Step 3: Cross multiply
    18,735.40x = 28,104.27 × 6,256.54
  4. Step 4: Simplify right side
    18,735.40x = 175,835,489.43
  5. Step 5: Solve for x
    x = 175,835,489.43/18,735.40
  6. Step 6: Final answer
    x = 9,385.20

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1.5x scale

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.