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Finding the Fourth Proportional to 12,435.72, 17,161.58 and 7,058.52

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Solution

The fourth proportional to 12,435.72, 17,161.58 and 7,058.52 is: 9,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.72 : 17,161.58 = 7,058.52 : x
  2. Step 2: Convert to fraction form
    12,435.72/17,161.58 = 7,058.52/x
  3. Step 3: Cross multiply
    12,435.72x = 17,161.58 × 7,058.52
  4. Step 4: Simplify right side
    12,435.72x = 121,135,355.66
  5. Step 5: Solve for x
    x = 121,135,355.66/12,435.72
  6. Step 6: Final answer
    x = 9,740.92

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