Home / 15,654.15-21,597.39-8,935.00

Finding the Fourth Proportional to 15,654.15, 21,597.39 and 8,935.00

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Solution

The fourth proportional to 15,654.15, 21,597.39 and 8,935.00 is: 12,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654.15 : 21,597.39 = 8,935.00 : x
  2. Step 2: Convert to fraction form
    15,654.15/21,597.39 = 8,935.00/x
  3. Step 3: Cross multiply
    15,654.15x = 21,597.39 × 8,935.00
  4. Step 4: Simplify right side
    15,654.15x = 192,972,625.66
  5. Step 5: Solve for x
    x = 192,972,625.66/15,654.15
  6. Step 6: Final answer
    x = 12,327.25

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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.