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Finding the Fourth Proportional to 9,744.64, 14,617.06 and 3,509.11

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Solution

The fourth proportional to 9,744.64, 14,617.06 and 3,509.11 is: 5,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,744.64 : 14,617.06 = 3,509.11 : x
  2. Step 2: Convert to fraction form
    9,744.64/14,617.06 = 3,509.11/x
  3. Step 3: Cross multiply
    9,744.64x = 14,617.06 × 3,509.11
  4. Step 4: Simplify right side
    9,744.64x = 51,292,798.69
  5. Step 5: Solve for x
    x = 51,292,798.69/9,744.64
  6. Step 6: Final answer
    x = 5,263.69

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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.