Home / 14,519.28-21,784.38-6,722.64

Finding the Fourth Proportional to 14,519.28, 21,784.38 and 6,722.64

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Solution

The fourth proportional to 14,519.28, 21,784.38 and 6,722.64 is: 10,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.28 : 21,784.38 = 6,722.64 : x
  2. Step 2: Convert to fraction form
    14,519.28/21,784.38 = 6,722.64/x
  3. Step 3: Cross multiply
    14,519.28x = 21,784.38 × 6,722.64
  4. Step 4: Simplify right side
    14,519.28x = 146,448,544.36
  5. Step 5: Solve for x
    x = 146,448,544.36/14,519.28
  6. Step 6: Final answer
    x = 10,086.49

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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.