Home / 10,654.63-15,981.93-2,863.44

Finding the Fourth Proportional to 10,654.63, 15,981.93 and 2,863.44

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Solution

The fourth proportional to 10,654.63, 15,981.93 and 2,863.44 is: 4,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.63 : 15,981.93 = 2,863.44 : x
  2. Step 2: Convert to fraction form
    10,654.63/15,981.93 = 2,863.44/x
  3. Step 3: Cross multiply
    10,654.63x = 15,981.93 × 2,863.44
  4. Step 4: Simplify right side
    10,654.63x = 45,763,297.64
  5. Step 5: Solve for x
    x = 45,763,297.64/10,654.63
  6. Step 6: Final answer
    x = 4,295.16

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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.