Home / 9,005.30-13,507.94-2,431.47

Finding the Fourth Proportional to 9,005.30, 13,507.94 and 2,431.47

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Solution

The fourth proportional to 9,005.30, 13,507.94 and 2,431.47 is: 3,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.30 : 13,507.94 = 2,431.47 : x
  2. Step 2: Convert to fraction form
    9,005.30/13,507.94 = 2,431.47/x
  3. Step 3: Cross multiply
    9,005.30x = 13,507.94 × 2,431.47
  4. Step 4: Simplify right side
    9,005.30x = 32,844,138.71
  5. Step 5: Solve for x
    x = 32,844,138.71/9,005.30
  6. Step 6: Final answer
    x = 3,647.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.