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Finding the Fourth Proportional to 11,484.54, 17,204.64 and 8,477.28

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Solution

The fourth proportional to 11,484.54, 17,204.64 and 8,477.28 is: 12,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.54 : 17,204.64 = 8,477.28 : x
  2. Step 2: Convert to fraction form
    11,484.54/17,204.64 = 8,477.28/x
  3. Step 3: Cross multiply
    11,484.54x = 17,204.64 × 8,477.28
  4. Step 4: Simplify right side
    11,484.54x = 145,848,550.58
  5. Step 5: Solve for x
    x = 145,848,550.58/11,484.54
  6. Step 6: Final answer
    x = 12,699.56

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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.