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Finding the Fourth Proportional to 12,330.88, 18,498.75 and 3,565.87

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Solution

The fourth proportional to 12,330.88, 18,498.75 and 3,565.87 is: 5,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.88 : 18,498.75 = 3,565.87 : x
  2. Step 2: Convert to fraction form
    12,330.88/18,498.75 = 3,565.87/x
  3. Step 3: Cross multiply
    12,330.88x = 18,498.75 × 3,565.87
  4. Step 4: Simplify right side
    12,330.88x = 65,964,137.66
  5. Step 5: Solve for x
    x = 65,964,137.66/12,330.88
  6. Step 6: Final answer
    x = 5,349.51

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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.