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Finding the Fourth Proportional to 9,793.85, 14,686.97 and 4,793.13

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Solution

The fourth proportional to 9,793.85, 14,686.97 and 4,793.13 is: 7,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.85 : 14,686.97 = 4,793.13 : x
  2. Step 2: Convert to fraction form
    9,793.85/14,686.97 = 4,793.13/x
  3. Step 3: Cross multiply
    9,793.85x = 14,686.97 × 4,793.13
  4. Step 4: Simplify right side
    9,793.85x = 70,396,532.55
  5. Step 5: Solve for x
    x = 70,396,532.55/9,793.85
  6. Step 6: Final answer
    x = 7,187.83

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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.