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Finding the Fourth Proportional to 11,274.68, 15,558 and 7,633.32

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Solution

The fourth proportional to 11,274.68, 15,558 and 7,633.32 is: 10,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.68 : 15,558 = 7,633.32 : x
  2. Step 2: Convert to fraction form
    11,274.68/15,558 = 7,633.32/x
  3. Step 3: Cross multiply
    11,274.68x = 15,558 × 7,633.32
  4. Step 4: Simplify right side
    11,274.68x = 118,759,192.56
  5. Step 5: Solve for x
    x = 118,759,192.56/11,274.68
  6. Step 6: Final answer
    x = 10,533.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.