Home / 12,784.08-19,159.97-5,756.61

Finding the Fourth Proportional to 12,784.08, 19,159.97 and 5,756.61

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Solution

The fourth proportional to 12,784.08, 19,159.97 and 5,756.61 is: 8,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.08 : 19,159.97 = 5,756.61 : x
  2. Step 2: Convert to fraction form
    12,784.08/19,159.97 = 5,756.61/x
  3. Step 3: Cross multiply
    12,784.08x = 19,159.97 × 5,756.61
  4. Step 4: Simplify right side
    12,784.08x = 110,296,446.12
  5. Step 5: Solve for x
    x = 110,296,446.12/12,784.08
  6. Step 6: Final answer
    x = 8,627.64

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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.