Home / 12,781.08-19,173.06-4,013.64

Finding the Fourth Proportional to 12,781.08, 19,173.06 and 4,013.64

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Solution

The fourth proportional to 12,781.08, 19,173.06 and 4,013.64 is: 6,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781.08 : 19,173.06 = 4,013.64 : x
  2. Step 2: Convert to fraction form
    12,781.08/19,173.06 = 4,013.64/x
  3. Step 3: Cross multiply
    12,781.08x = 19,173.06 × 4,013.64
  4. Step 4: Simplify right side
    12,781.08x = 76,953,760.54
  5. Step 5: Solve for x
    x = 76,953,760.54/12,781.08
  6. Step 6: Final answer
    x = 6,020.91

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1.5x scale

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.