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Finding the Fourth Proportional to 9,103.92, 13,652.94 and 3,555.92

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Solution

The fourth proportional to 9,103.92, 13,652.94 and 3,555.92 is: 5,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.92 : 13,652.94 = 3,555.92 : x
  2. Step 2: Convert to fraction form
    9,103.92/13,652.94 = 3,555.92/x
  3. Step 3: Cross multiply
    9,103.92x = 13,652.94 × 3,555.92
  4. Step 4: Simplify right side
    9,103.92x = 48,548,762.40
  5. Step 5: Solve for x
    x = 48,548,762.40/9,103.92
  6. Step 6: Final answer
    x = 5,332.73

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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.