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Finding the Fourth Proportional to 9,903.09, 14,844.62 and 6,207.90

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Solution

The fourth proportional to 9,903.09, 14,844.62 and 6,207.90 is: 9,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.09 : 14,844.62 = 6,207.90 : x
  2. Step 2: Convert to fraction form
    9,903.09/14,844.62 = 6,207.90/x
  3. Step 3: Cross multiply
    9,903.09x = 14,844.62 × 6,207.90
  4. Step 4: Simplify right side
    9,903.09x = 92,153,945.81
  5. Step 5: Solve for x
    x = 92,153,945.81/9,903.09
  6. Step 6: Final answer
    x = 9,305.58

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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.