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Finding the Fourth Proportional to 9,409, 14,114.72 and 2,835.86

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Solution

The fourth proportional to 9,409, 14,114.72 and 2,835.86 is: 4,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409 : 14,114.72 = 2,835.86 : x
  2. Step 2: Convert to fraction form
    9,409/14,114.72 = 2,835.86/x
  3. Step 3: Cross multiply
    9,409x = 14,114.72 × 2,835.86
  4. Step 4: Simplify right side
    9,409x = 40,027,369.86
  5. Step 5: Solve for x
    x = 40,027,369.86/9,409
  6. Step 6: Final answer
    x = 4,254.16

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Double scale
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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.