Home / 42,383.12-63,577.72-11,218

Finding the Fourth Proportional to 42,383.12, 63,577.72 and 11,218

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Solution

The fourth proportional to 42,383.12, 63,577.72 and 11,218 is: 16,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,383.12 : 63,577.72 = 11,218 : x
  2. Step 2: Convert to fraction form
    42,383.12/63,577.72 = 11,218/x
  3. Step 3: Cross multiply
    42,383.12x = 63,577.72 × 11,218
  4. Step 4: Simplify right side
    42,383.12x = 713,214,862.96
  5. Step 5: Solve for x
    x = 713,214,862.96/42,383.12
  6. Step 6: Final answer
    x = 16,827.80

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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.