Home / 19,174.42-26,468.86-12,890.44

Finding the Fourth Proportional to 19,174.42, 26,468.86 and 12,890.44

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Solution

The fourth proportional to 19,174.42, 26,468.86 and 12,890.44 is: 17,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.42 : 26,468.86 = 12,890.44 : x
  2. Step 2: Convert to fraction form
    19,174.42/26,468.86 = 12,890.44/x
  3. Step 3: Cross multiply
    19,174.42x = 26,468.86 × 12,890.44
  4. Step 4: Simplify right side
    19,174.42x = 341,195,119.35
  5. Step 5: Solve for x
    x = 341,195,119.35/19,174.42
  6. Step 6: Final answer
    x = 17,794.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.