Home / 12,781.41-19,176.73-4,462.65

Finding the Fourth Proportional to 12,781.41, 19,176.73 and 4,462.65

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Solution

The fourth proportional to 12,781.41, 19,176.73 and 4,462.65 is: 6,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781.41 : 19,176.73 = 4,462.65 : x
  2. Step 2: Convert to fraction form
    12,781.41/19,176.73 = 4,462.65/x
  3. Step 3: Cross multiply
    12,781.41x = 19,176.73 × 4,462.65
  4. Step 4: Simplify right side
    12,781.41x = 85,579,136.82
  5. Step 5: Solve for x
    x = 85,579,136.82/12,781.41
  6. Step 6: Final answer
    x = 6,695.59

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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.