Home / 12,752.64-19,125.60-3,516.48

Finding the Fourth Proportional to 12,752.64, 19,125.60 and 3,516.48

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Solution

The fourth proportional to 12,752.64, 19,125.60 and 3,516.48 is: 5,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.64 : 19,125.60 = 3,516.48 : x
  2. Step 2: Convert to fraction form
    12,752.64/19,125.60 = 3,516.48/x
  3. Step 3: Cross multiply
    12,752.64x = 19,125.60 × 3,516.48
  4. Step 4: Simplify right side
    12,752.64x = 67,254,789.89
  5. Step 5: Solve for x
    x = 67,254,789.89/12,752.64
  6. Step 6: Final answer
    x = 5,273.79

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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.