Home / 18,734.40-28,102.77-6,255.54

Finding the Fourth Proportional to 18,734.40, 28,102.77 and 6,255.54

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Solution

The fourth proportional to 18,734.40, 28,102.77 and 6,255.54 is: 9,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.40 : 28,102.77 = 6,255.54 : x
  2. Step 2: Convert to fraction form
    18,734.40/28,102.77 = 6,255.54/x
  3. Step 3: Cross multiply
    18,734.40x = 28,102.77 × 6,255.54
  4. Step 4: Simplify right side
    18,734.40x = 175,798,001.85
  5. Step 5: Solve for x
    x = 175,798,001.85/18,734.40
  6. Step 6: Final answer
    x = 9,383.70

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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.