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Finding the Fourth Proportional to 13,393.01, 18,484.07 and 8,797.71

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Solution

The fourth proportional to 13,393.01, 18,484.07 and 8,797.71 is: 12,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.01 : 18,484.07 = 8,797.71 : x
  2. Step 2: Convert to fraction form
    13,393.01/18,484.07 = 8,797.71/x
  3. Step 3: Cross multiply
    13,393.01x = 18,484.07 × 8,797.71
  4. Step 4: Simplify right side
    13,393.01x = 162,617,443.49
  5. Step 5: Solve for x
    x = 162,617,443.49/13,393.01
  6. Step 6: Final answer
    x = 12,141.97

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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.