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Finding the Fourth Proportional to 12,521.16, 18,781.92 and 5,948.01

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Solution

The fourth proportional to 12,521.16, 18,781.92 and 5,948.01 is: 8,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.16 : 18,781.92 = 5,948.01 : x
  2. Step 2: Convert to fraction form
    12,521.16/18,781.92 = 5,948.01/x
  3. Step 3: Cross multiply
    12,521.16x = 18,781.92 × 5,948.01
  4. Step 4: Simplify right side
    12,521.16x = 111,715,047.98
  5. Step 5: Solve for x
    x = 111,715,047.98/12,521.16
  6. Step 6: Final answer
    x = 8,922.10

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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.