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Finding the Fourth Proportional to 12,521.93, 18,857.16 and 10,898.08

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Solution

The fourth proportional to 12,521.93, 18,857.16 and 10,898.08 is: 16,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.93 : 18,857.16 = 10,898.08 : x
  2. Step 2: Convert to fraction form
    12,521.93/18,857.16 = 10,898.08/x
  3. Step 3: Cross multiply
    12,521.93x = 18,857.16 × 10,898.08
  4. Step 4: Simplify right side
    12,521.93x = 205,506,791.11
  5. Step 5: Solve for x
    x = 205,506,791.11/12,521.93
  6. Step 6: Final answer
    x = 16,411.76

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.