Home / 14,183.56-21,278.73-4,322.23

Finding the Fourth Proportional to 14,183.56, 21,278.73 and 4,322.23

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Solution

The fourth proportional to 14,183.56, 21,278.73 and 4,322.23 is: 6,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.56 : 21,278.73 = 4,322.23 : x
  2. Step 2: Convert to fraction form
    14,183.56/21,278.73 = 4,322.23/x
  3. Step 3: Cross multiply
    14,183.56x = 21,278.73 × 4,322.23
  4. Step 4: Simplify right side
    14,183.56x = 91,971,528.18
  5. Step 5: Solve for x
    x = 91,971,528.18/14,183.56
  6. Step 6: Final answer
    x = 6,484.38

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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.