Home / 9,825.11-13,577.91-8,731.61

Finding the Fourth Proportional to 9,825.11, 13,577.91 and 8,731.61

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Solution

The fourth proportional to 9,825.11, 13,577.91 and 8,731.61 is: 12,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.11 : 13,577.91 = 8,731.61 : x
  2. Step 2: Convert to fraction form
    9,825.11/13,577.91 = 8,731.61/x
  3. Step 3: Cross multiply
    9,825.11x = 13,577.91 × 8,731.61
  4. Step 4: Simplify right side
    9,825.11x = 118,557,090.51
  5. Step 5: Solve for x
    x = 118,557,090.51/9,825.11
  6. Step 6: Final answer
    x = 12,066.74

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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.