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Finding the Fourth Proportional to 11,261.04, 16,893.72 and 4,335

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Solution

The fourth proportional to 11,261.04, 16,893.72 and 4,335 is: 6,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.04 : 16,893.72 = 4,335 : x
  2. Step 2: Convert to fraction form
    11,261.04/16,893.72 = 4,335/x
  3. Step 3: Cross multiply
    11,261.04x = 16,893.72 × 4,335
  4. Step 4: Simplify right side
    11,261.04x = 73,234,276.20
  5. Step 5: Solve for x
    x = 73,234,276.20/11,261.04
  6. Step 6: Final answer
    x = 6,503.33

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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.