Home / 14,464.28-21,678.64-8,229.52

Finding the Fourth Proportional to 14,464.28, 21,678.64 and 8,229.52

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Solution

The fourth proportional to 14,464.28, 21,678.64 and 8,229.52 is: 12,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.28 : 21,678.64 = 8,229.52 : x
  2. Step 2: Convert to fraction form
    14,464.28/21,678.64 = 8,229.52/x
  3. Step 3: Cross multiply
    14,464.28x = 21,678.64 × 8,229.52
  4. Step 4: Simplify right side
    14,464.28x = 178,404,801.45
  5. Step 5: Solve for x
    x = 178,404,801.45/14,464.28
  6. Step 6: Final answer
    x = 12,334.16

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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.