Home / 14,511.55-21,738.16-7,571.47

Finding the Fourth Proportional to 14,511.55, 21,738.16 and 7,571.47

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Solution

The fourth proportional to 14,511.55, 21,738.16 and 7,571.47 is: 11,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.55 : 21,738.16 = 7,571.47 : x
  2. Step 2: Convert to fraction form
    14,511.55/21,738.16 = 7,571.47/x
  3. Step 3: Cross multiply
    14,511.55x = 21,738.16 × 7,571.47
  4. Step 4: Simplify right side
    14,511.55x = 164,589,788.44
  5. Step 5: Solve for x
    x = 164,589,788.44/14,511.55
  6. Step 6: Final answer
    x = 11,341.99

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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.