Home / 14,622.42-21,917.96-10,449.78

Finding the Fourth Proportional to 14,622.42, 21,917.96 and 10,449.78

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Solution

The fourth proportional to 14,622.42, 21,917.96 and 10,449.78 is: 15,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.42 : 21,917.96 = 10,449.78 : x
  2. Step 2: Convert to fraction form
    14,622.42/21,917.96 = 10,449.78/x
  3. Step 3: Cross multiply
    14,622.42x = 21,917.96 × 10,449.78
  4. Step 4: Simplify right side
    14,622.42x = 229,037,860.05
  5. Step 5: Solve for x
    x = 229,037,860.05/14,622.42
  6. Step 6: Final answer
    x = 15,663.47

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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.