Home / 22,110.98-30,512.54-12,039.19

Finding the Fourth Proportional to 22,110.98, 30,512.54 and 12,039.19

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Solution

The fourth proportional to 22,110.98, 30,512.54 and 12,039.19 is: 16,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.98 : 30,512.54 = 12,039.19 : x
  2. Step 2: Convert to fraction form
    22,110.98/30,512.54 = 12,039.19/x
  3. Step 3: Cross multiply
    22,110.98x = 30,512.54 × 12,039.19
  4. Step 4: Simplify right side
    22,110.98x = 367,346,220.26
  5. Step 5: Solve for x
    x = 367,346,220.26/22,110.98
  6. Step 6: Final answer
    x = 16,613.75

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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.