Home / 19,237.90-28,859.82-8,144.66

Finding the Fourth Proportional to 19,237.90, 28,859.82 and 8,144.66

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Solution

The fourth proportional to 19,237.90, 28,859.82 and 8,144.66 is: 12,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.90 : 28,859.82 = 8,144.66 : x
  2. Step 2: Convert to fraction form
    19,237.90/28,859.82 = 8,144.66/x
  3. Step 3: Cross multiply
    19,237.90x = 28,859.82 × 8,144.66
  4. Step 4: Simplify right side
    19,237.90x = 235,053,421.56
  5. Step 5: Solve for x
    x = 235,053,421.56/19,237.90
  6. Step 6: Final answer
    x = 12,218.25

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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.