Home / 14,439.20-21,656.97-4,578.56

Finding the Fourth Proportional to 14,439.20, 21,656.97 and 4,578.56

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Solution

The fourth proportional to 14,439.20, 21,656.97 and 4,578.56 is: 6,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.20 : 21,656.97 = 4,578.56 : x
  2. Step 2: Convert to fraction form
    14,439.20/21,656.97 = 4,578.56/x
  3. Step 3: Cross multiply
    14,439.20x = 21,656.97 × 4,578.56
  4. Step 4: Simplify right side
    14,439.20x = 99,157,736.56
  5. Step 5: Solve for x
    x = 99,157,736.56/14,439.20
  6. Step 6: Final answer
    x = 6,867.26

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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.