Home / 22,074.26-30,462.48-12,138.26

Finding the Fourth Proportional to 22,074.26, 30,462.48 and 12,138.26

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Solution

The fourth proportional to 22,074.26, 30,462.48 and 12,138.26 is: 16,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.26 : 30,462.48 = 12,138.26 : x
  2. Step 2: Convert to fraction form
    22,074.26/30,462.48 = 12,138.26/x
  3. Step 3: Cross multiply
    22,074.26x = 30,462.48 × 12,138.26
  4. Step 4: Simplify right side
    22,074.26x = 369,761,502.48
  5. Step 5: Solve for x
    x = 369,761,502.48/22,074.26
  6. Step 6: Final answer
    x = 16,750.80

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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.