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Finding the Fourth Proportional to 16,639.84, 24,965.16 and 4,953.16

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Solution

The fourth proportional to 16,639.84, 24,965.16 and 4,953.16 is: 7,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.84 : 24,965.16 = 4,953.16 : x
  2. Step 2: Convert to fraction form
    16,639.84/24,965.16 = 4,953.16/x
  3. Step 3: Cross multiply
    16,639.84x = 24,965.16 × 4,953.16
  4. Step 4: Simplify right side
    16,639.84x = 123,656,431.91
  5. Step 5: Solve for x
    x = 123,656,431.91/16,639.84
  6. Step 6: Final answer
    x = 7,431.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.