Home / 14,074.35-21,111.57-4,213.68

Finding the Fourth Proportional to 14,074.35, 21,111.57 and 4,213.68

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Solution

The fourth proportional to 14,074.35, 21,111.57 and 4,213.68 is: 6,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.35 : 21,111.57 = 4,213.68 : x
  2. Step 2: Convert to fraction form
    14,074.35/21,111.57 = 4,213.68/x
  3. Step 3: Cross multiply
    14,074.35x = 21,111.57 × 4,213.68
  4. Step 4: Simplify right side
    14,074.35x = 88,957,400.28
  5. Step 5: Solve for x
    x = 88,957,400.28/14,074.35
  6. Step 6: Final answer
    x = 6,320.53

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Similar ratio
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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.