Home / 12,781.82-19,175.77-4,016.74

Finding the Fourth Proportional to 12,781.82, 19,175.77 and 4,016.74

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Solution

The fourth proportional to 12,781.82, 19,175.77 and 4,016.74 is: 6,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781.82 : 19,175.77 = 4,016.74 : x
  2. Step 2: Convert to fraction form
    12,781.82/19,175.77 = 4,016.74/x
  3. Step 3: Cross multiply
    12,781.82x = 19,175.77 × 4,016.74
  4. Step 4: Simplify right side
    12,781.82x = 77,024,082.39
  5. Step 5: Solve for x
    x = 77,024,082.39/12,781.82
  6. Step 6: Final answer
    x = 6,026.07

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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.