Home / 9,864.14-13,611.96-5,387.00

Finding the Fourth Proportional to 9,864.14, 13,611.96 and 5,387.00

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Solution

The fourth proportional to 9,864.14, 13,611.96 and 5,387.00 is: 7,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.14 : 13,611.96 = 5,387.00 : x
  2. Step 2: Convert to fraction form
    9,864.14/13,611.96 = 5,387.00/x
  3. Step 3: Cross multiply
    9,864.14x = 13,611.96 × 5,387.00
  4. Step 4: Simplify right side
    9,864.14x = 73,327,560.46
  5. Step 5: Solve for x
    x = 73,327,560.46/9,864.14
  6. Step 6: Final answer
    x = 7,433.75

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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.